Metabolics

 The Nutricia Learning Center features tools and educational resources for Metabolic Healthcare Professionals.

Webinars (CE Eligible)

Nutricia North America is pleased to provide a variety of clinically-oriented educational lectures. These Nutricia sponsored presentations are intended for healthcare professionals.
In this section, you will find the name and description of all the recorded lectures available. Each of the following presentations is approximately 60 minutes long and is available for viewing at no cost. In addition, viewers can receive a certificate of attendance and most lectures are eligible for continuing education credit for dietitians and nurses. In order for the recorded lecture to be considered for continuing education for dietitians by the Commission on Dietetic Registration, the recording must be viewed within 3 years of the date of the live presentation.

  • Part 3: Returning to Diet: Cognitive, affective, and motivational factors for people with PKU

    Join us for a 1 hour educational webinar with Benjamin Goodlett, PhD, Psychology Postdoctoral Fellow at the Metabolism Clinic at Boston Children’s Hospital. He will be exploring mental, motivational and executive functioning barriers that help explain the difficulties many adults with PKU face when returning to diet. Dr. Goodlett will also explain how to help patients overcome these challenges.

    • Understand the cognitive and affective (anxiety & depression) issues associated with adults with PKU when not following a low-PHE diet
    • Discuss the importance of health behavior changes in line with individual’s values
    • Implement strategies to help patients overcome these challenges

    *This event is eligible for one (1) CEU credit. To obtain the code for your certificate of attendance, please fill out this brief survey (https://www.surveymonkey.com/r/R2DPKU ); then obtain your certificate on NLC.

    Download Webinar Handouts

  • Part 2: Feeding Issues and Formula Transition in Older Children with IEM: Tips from the Experts and How to Overcome Them

    This is part 2 of our 3-part webinar series on feeding and diet topics in inborn errors of metabolism (IEM). Join us for a 1 hour educational webinar with Ligia Brochi, RD, CSP, LDN and Dena Dunn, PsyD (both at Children’s Hospital of Philadelphia) discussing common feeding and formula transition challenges in patients with inborn errors of metabolism.

    Webinar Objectives:

    • Identify possible feeding issue in patients with IEM and know when to refer to a feeding specialist;
    • Describe solutions and tips on how to help overcome formula transition challenges from a RD perspective;
    • Discuss a case report and relate learning to one’s own practice.

    *This event is eligible for one (1) CEU credit. To obtain the code for your certificate of attendance, please fill out this brief survey (https://www.surveymonkey.com/r/FeedingChallenge ); then obtain your certificate on NLC.

    Download Webinar Handouts

  • Part 1: Infant and Toddler Feeding in Inborn Errors of Metabolism: A Time of Transition

    This is the first of our 3-part webinar series on feeding and diet topics in inborn errors of metabolism. Please join us and speaker, Amy Cunningham, MS, RD, LDN for a free, 1 hour educational webinar. Amy will be discussing the transition to solids and toddler formula in patients with inborn errors of metabolism (IEM).
    Webinar Objectives:

    • Understand the issues related to introducing solids in patients with IEM.
    • Describe how to best transition young patients with IEM to the next stage formula.
    • Discuss a case report and relate learning to one's own practice.

    *This event is eligible for one (1) CEU credit. To obtain the code for your certificate of attendance, please fill out this brief survey (https://www.surveymonkey.com/r/FeedingIEM); then obtain your certificate on NLC.

    Download Webinar Handouts

  • Metabolic University (MU) Series: The Simplified PKU Diet

    Join our speakers Laurie Bernstein and Fran Rohr in a discussion about the Simplified PKU Diet and how this approach could potentially increase diet adherence and enjoyment of a more normalized approach to food for patients with PKU.
    By partaking in this webinar, participants will be able to:

    • Understand the rationale for using the simplified diet
    • Teach the simplified PKU diet to their patients
    • Share best practices around this approach to PKU management

    *This event is eligible for one (1) CEU credit. To obtain the code for your certificate of attendance, please fill out this brief survey (https://www.surveymonkey.com/r/7KCTBF5); then obtain your certificate on NLC. 

  • Medical Food and the Brain: What Do We Know?

    Join us for a 1 hour educational webinar with Dr. Kevin Strauss, Medical Director at the Clinic for Special Children, Strasburg, PA, on the topic of brain amino acid metabolism in GA-1 and MSUD.
    At the end of this webinar, participants will be able to: 

    • Understand the relationship between plasma levels and brain uptake of essential amino acids
    • Understand how medical food composition affects brain amino acid nutrition and development in disorders of intermediary metabolism

    *This event is eligible for one (1) CEU credit. To obtain the code for your certificate of attendance, please fill out this brief survey (https://www.surveymonkey.com/r/9KB2CTT); then obtain your certificate on NLC.

  • Evolution of Nutricia Products - Milupas & Maxamaids

    As part of our commitment to provide BEST CARE in specialized nutrition, we are continuing to make improvements across our metabolic formulas. Having upgraded our formulas in line with the latest nutritional guidelines, we will no longer supply our line of Maxamaid® and Milupa products starting June 2017 or until supplies last. We recommend you transition your patient to a product within our portfolio that will work for your patients.
    Below are tools that can be found in the Clinician Resources, Metabolics section:

    • Recorded Webinar: Join Ulrike Reichert, Director, Medical and Scientific Affairs - Metabolics/Ketogenics for an informative webinar on the evolution of our Metabolic products and how to successfully transition your patients. Watch Now!
    • Product Transition Tool: Calculation tool to help determine the amount of Nutricia product needed to achieve a desired amount of protein equivalent for individual patients. (Microsoft® Excel files - note, please right click on the link and “Save Target As...” to save this to your desktop and then open through Excel).
    • Nutricia Metabolic Portfolio Guide: Overview of Nutricia's full product portfolio, PKU and Non-PKU disorders.
    • Patient Transition Guide
    Download Webinar Handouts

  • Dietary Management of Tyrosinemia & How to Successfully Transition Your Patients

    Please join our speaker, Manon Bouchard, Dt.P. (CHU Sainte Justine, University of Montréal; Montréal, Canada) as she shares her experiences with the dietary management of tyrosinemia.
    By partaking in this webinar, participants will be able to:

    • Describe the most up-to-date nutritional management for tyrosinemia 
    • Understand key learnings for successful transitions of your patients 
    • Share best practices and case reports

    *This event is eligible for one (1) CEU credit. To obtain the code for your certificate of attendance, please fill out this brief survey (https://www.surveymonkey.com/r/9YQMJQY); then obtain your certificate on NLC.

  • Nutricia Product Series - Monogen: Introducing Our Upgraded Low LCT, High MCT Formula

    Join our speaker, Ulrike Reichert for a free educational webinar on details of our recently launched, upgraded Monogen. Join us to learn more about the latest changes to Nutricia's low LCT, high MCT fomula.
    By attending the webinar, participants will be able to:

    • Describe the key features & benefits of the upgraded Monogen
    • Understand the differences between the previous Monogen vs the upgraded 
    • Access resources for the dietary management of fatty acid oxidation disorders

  • Biochemistry & Management of Fatty Acid Oxidation Disorders: From Infancy to Adulthood

    Please join us for a 1 hour educational webinar with Melanie Gillingham, PhD, RD, Associate Professor; OHSU and Sandy van Calcar, PhD, RD, LD, Assistant Professor; OHSU regarding the biochemical background and management of fatty acid oxidation disorders (emphasis on long chain fatty acid oxidation disorders). 

    Participants will be able to:

    • Understand the biochemical pathways of fatty acid oxidation disorders
    • Describe the nutritional management of the disorders from infancy to adulthood
    • Calculate a diet for this patient group
    *This event is eligible for one (1) CEU credit. To obtain the code for your certificate of attendance, please fill out this brief survey (https://www.surveymonkey.com/r/9CLDC85); then obtain your certificate on NLC.

    Download Webinar Handouts

  • MU Webinar Series: Engaging Dietitians in Research and Publications: It's Easier Than a Diet Calculation!

    Please join us for a free, 45-minute educational webinar with Joanna Helm, MS, RD who will share her own research experiences and help you get started on how to write your own research or case study/series for scientific poster publications.

    Participants will be able to

    • Understand how to initiate and participate in scientific research
    • Describe what is needed to successfully publish a paper or poster presentation
    • Formulate a plan for one’s own professional development in publishing
    *This event is eligible for one (1) CEU credit. To obtain the code for your certificate of attendance, please fill out this brief survey (https://www.surveymonkey.com/r/9J8JXPG); then obtain your certificate on NLC.

  • Periflex & Anamix Early Years -- Available in CA through MediCal/CCS

    Please join us in learning more about the new Periflex & Anamix Early Years metabolic infant formulas that are now available in CA through MediCal/CCS.  Participants of this webinar will learn about the key features and understand the benefits of the new formulas and understand the nutritional rationale and supporting evidence.  

  • Adrenoleukodystrophy (ALD) and Lorenzo's Oil: An Update

    Join our speaker, Dr. Gerald Raymond, professor of Neurology and Chief of Pediatric Neurology at the University of Minnesota, for an educational webinar on adrenoleukodystrophy and Lorenzo’s Oil.
    By attending the webinar, participants will be able to understand: 

    • Adrenoleukodystrophy: Biochemistry and management 
    • The efficacy of Lorenzo’s Oil 
    • Newborn Screening and Expanded Access: What does this mean for Lorenzo’s Oil? 

    *This event is eligible for one (1) CEU credit. To obtain the code for your certificate of attendance, please fill out this brief survey (https://www.surveymonkey.com/r/9Q8SB86); then obtain your certificate on NLC.

    Download Webinar Handouts

  • Prebiotics, Microbiome, Infant Nutrition: Beyond the Buzz Words

    Join our speaker, Kelly Tappenden, for an educational webinar on the role of prebiotics for infants with inborn errors of metabolism.  This webinar will cover topics such as microbiome and infant nutrition.  Participants will be able to apply knowledge of prebiotics and gut health when caring for infants with metabolic disorders.
    Dr. Tappenden is a Professor of Nutrition and Gastrointestinal Physiology at the University of Illinois at Urbana-Champaign.  Her work has been focused on individuals with intestinal failure requiring intravenous nutrition and has funded research on the importance of butyrate in relationship to gut health.

    *This event is eligible for one (1) CEU credit. To obtain the code for your certificate of attendance, please fill out this brief survey (https://www.surveymonkey.com/r/9WS62H2); then obtain your certificate on NLC.   

  • Prebiotics in Formulas for Infants with Inborn Errors of Metabolism: Experience from the UK

    Join our speaker, Anita MacDonald, Consultant Dietitian in Inherited Metabolic Disorders at Birmingham Children’s Hospital, UK, for an educational webinar on the usage of prebiotics-containing formulas for infants with inborn errors of metabolism.  
    Participants of the webinar will be able to:

    • Identify the available body of evidence and experience in using prebiotic fiber in infants with inborn errors of metabolismUnderstand latest research on the efficacy and acceptability of prebiotics in infants with metabolic disorders
    • Discuss relevant case reports

    *This webinar is eligible for one (1) CEU credit hour. 

  • MU Webinar Series: PKU and Bone Health—A Review

    Join us for an educational Webinar with our speaker Steven Yannicelli, PhD, RD; VP for Medical Affairs Nutricia North America, for a review of bone health in PKU.
    By attending the webinar participants will be able to:

    • Understand normal bone metabolism
    • Learn about the published data relating to bone health issues in PKU
    • Draw conclusions for clinical applications

    *This webinar is eligible for one (1) CEU credit hour. 

    Download Webinar Handouts

  • Nutricia Product Series: DHA and Fiber -- Bringing the best nutritional support to your patients with Inborn Errors of Metabolism

    Join the Nutricia Metabolics Medical Affairs Team (Steven Yannicelli, PhD, RD; Ulrike Reichert, MS; and Linda Leuffgen, RD) for an informational Webinar on the nutritional science behind Nutricia's latest product innovations, including PKU Periflex Junior Plus, PKU Lophlex LQ and Polycal. Participants will be able to 

    • Understand the benefits of DHA, fiber and bone health nutrients
    • Describe the product upgrades to Nutricia’s metabolic product portfolio
    • Identify new tools for their clinical practice.

  • MU Webinar Series: The New PKU Management Guidelines -- Implications for Clinical Practice

    Join us for an educational webinar with metabolic RD experts Amy Cunningham, MS, RD, LDN (Tulane University School of Medicine, LA); Dianne Frazier PhD, RD (consultant); and Laurie Bernstein, MS, RD, FADA (University of Colorado, Denver) to discuss the new Guidelines for the Nutritional Management of PKU.

    Participants will be able to

    • Gain understanding of how the new guidelines were developed.
    • Describe the main recommendations of the new guidelines. 
    • Formulate implications for clinical practice. 

  • The role of omega-3 docosahexaenoic acid (DHA) in PKU patients

    Join Dr. Berthold Koletzko, MD PhD, Professor of Paediatrics, Dr von Hauner Children‘s Hospital, Ludwig-Maximilians-University of Munich, Germany, and Nutricia for a one-hour presentation on the role of DHA in PKU patients.
    This webinar covers :

    • What is DHA and it’s importance 
    • Omega-3 long-chain polyunsaturated fat for children 
    • Omega-3 long-chain polyunsaturated fat and its function in individuals with PKU 
    • Review studies on DHA needs in children with PKU 
    • Recommendations for DHA intake

    *Please note: Dietitians cannot claim credit for recorded events beyond 3 years from live event date.

  • The Importance of Dietary Fiber

    Join our speaker Dr. Kelly Tappenden, PhD, RD, for a one hour presentation on the importance of dietary fiber including prebiotics and recommendations for dietary intake.
    This webinar covers 

    • The importance of the intestine and it’s microbiome 
    • Definition of dietary fiber, prebiotics, probiotics and synbiotics, and identifies available sources 
    • Evidence supporting clinical use of dietary fiber and prebiotics 
    • The importance of including formula with fiber added into the diet

    *Please note: Dietitians cannot claim credit for recorded events beyond 3 years from live event date.

  • MU Webinar Series: Challenges in the Nutritional Management of Maternal IEM Patients

    Join us for an educational Webinar and hear from experts Sandy Van Calcar, PhD, RD and Fran Rohr, Ms, RD, LDN on managing maternal metabolic patients.

    This webinar will cover:

    • Understand the unique nutritional management challenges of maternal IEM patients (non-PKU)
    • Learn about best practices for this patient population
    • Share case reports

    *Please note: Dietitians cannot claim credit for recorded events beyond 3 years from live event date.

  • Inborn Errors of Metabolism 101: An overview for the non-metabolic healthcare professional

    Join our experts and Dr. J. Charrow and Heather Bausell, RD (both Ann and Robert H. Lurie Children’s Hospital of Chicago) for a one hour presentation on the basics of IEM. This Webinar is a useful resource for all those not working with metabolic patients on a regular basis, but also experienced practitioners training others.

    • A brief overview of NBS
    • What to expect if a metabolic patient presents at the clinic/hospital
    • Overview of dietary management of metabolic patients
    *Please note: Dietitians cannot claim credit for recorded events beyond 3 years from live event date.

  • Tyrosinemia--Biochemical Background and Advances in Disorder Management

    Join our tyrosinemia experts Dr. Grant Mitchell and Manon Bouchard, Dt. (both CHU Sainte-Justine, Montreal, Canada) for a one hour presentation on background and nutritional management of tyrosinemia.

    This webinar will cover:

    • Understand the biochemical background of tyrosinemia
    • Learn about nutritional management of this patient group
    • Share best practices and case reports
    *Please note: Dietitians cannot claim credit for recorded events beyond 3 years from live event date.

  • MU Webinar Series: UCD--Background and Advances in Management

    Join our experts in Urea Cycle Disorders Uta Lichter-Konecki, MD, PhD and Erin MacLeod, PhD, RD (Children’s National Medical Center, DC) for a one hour presentation on background and nutritional management of UCDs.

    This webinar will cover:

    • Understand the biochemical background of UCDs
    • Learn about nutritional management of this patient group
    • Share best practices and case reports
    *Please note: Dietitians cannot claim credit for recorded events beyond 3 years from live event date.

  • MU Alumni Webinar series: Demystifying Feeding Challenges

    Please join us for an educational Webinar in our MU Alumni series and hear from feeding experts Dr. Laura Pickler, MD, MPH, and Nancy Creskoff Maune, OTR, about how to recognized and address feeding difficulties in metabolic patients.

    • Anticipate common feeding issues that arise in children with inborn errors of metabolism
    • Be able to initiate strategies to minimize feeding problems when they do arise
    • Protect oral eating potential if enteral nutrition is necessary for medical reasons
    *Please note: Dietitians cannot claim credit for recorded events beyond 3 years from live event date.

  • Acute management of patients with MSUD

    Please join our speaker Dr. Kevin A. Strauss, Medical Director, Clinic for Special Children, Strasburg, PA, for a free one hour presentation on Acute Management of Patients with Maple Syrup Urine Disease.

    This webinar will cover:

    • Most serious consequence of acute MSUD crisis
    • Two major goals of acute MSUD management
    • Outcome of the most severe cases of MSUD encephalopathy
    *Please note: Dietitians cannot claim credit for recorded events beyond 3 years from live event date.

  • Should we provide long-chain omega-3 fatty acids to PKU patients

    Please join Berthold Koletzko, MD PhD, Professor of Paediatrics, Division of Metabolic Diseases and Nutritional Medicine, Dr. von Hauner Children’s Hospital, University of Munich Medical Centre, Munich, Germany for a one hour free presentation on PKU and DHA.

    This webinar will cover:

    • Review of the PKU diet regarding DHA content and possible consequences for PKU patients
    • Review of trials supplementing DHA in PKU patients
    • Recommendations for DHA intake
    *Please note: Dietitians cannot claim credit for recorded events beyond 3 years from live event date.

  • Nutricia Product Information Webinar Series: Have You Heard the Juicy News

    New Medical Food Options for Patients with MSUD, TYR and HCU Lophlex LQ. This Webinar is not CEU eligible.

Healthcare Professional Tools

Flowcharts/Guidelines

Patient Resources

Case Studies

  • PKU Infant Case Studies

    This case study, by Krista Viau, PhD, RDN, describes three infants with PKU who have been successfully started on, or transitioned onto, Nutricia's PKU Periflex Early Years.

  • Newly Diagnosed IVA Baby

    This case study, by Krista Viau, PhD, RDN, describes the start of a newly diagnosed IVA infant onto Nutricia's IVA Anamix Early Years.

  • Managing a Delayed PKU Diagnosis and T2 Diabetes

    This case study, by Jill Skrabal, M.S., R.D., L.M.N.T., C.D.E., describes the medical and nutrition management of an adult male with PKU and T2 diabetes.

Reference Library

  • Periflex® Infant

    Clinical References for Periflex® Infant

    • Agostoni C et al. A randomized trial of long-chain polyunsaturated fatty acid supplementation in infants with phenylketonuria. Dev Med Child Neurol. 2006;48(3):207-12. PubMed
    • Greve LC et al. Breast-Feeding in the Management of the Newborn with Phenylketonuria: A Practical Approach to Dietary Therapy. J Am Diet Assoc. 1994;94(3):305-9. PubMed
    • Mofidi et al. Growth And Plasma Phenylalanine And Tyrosine Concentrations Of Infants Treated With XPhe Analog Amino Acid Modified Infant Formula With Iron. Presented at the V International Congress of Inborn Errors of Metabolism, June 1-5, 1990.
    • Various authors. A Multicentre Study to Evaluate and Compare the Nutritional Adequacy of XP Analog and Lofenalac in the Dietary Management of Infants with Phenylketonuria (PKU). (1986-1989). Data on file.
  • Periflex® Junior

    Clinical References for Periflex® Junior

    • Cleary MA et al. Randomised controlled trial of essential fatty acid supplementation in phenylketonuria. Eur J Clin Nutr. 2006;60(7):915-20. PubMed
    • Rose HJ. Fat intakes of children with PKU on low phenylalanine diets. J Hum Nutr Diet. 2005;18(5):395-400. PubMed
    • Buist NRM et al. A new amino acid mixture permits new approaches to the treatment of phenylketonuria. Acta Paediatr Suppl. 1994;407:75-7. PubMed
  • XPhe Maxamaid®

    Clinical References for XPhe Maxamaid®

    • MacDonald A et al. Factors Affecting the Variation in Plasma Phenylalanine in Patients with Phenylketonuria on Diet. Arch Dis Child. 1996; 74: 412-417. PubMed
    • MacDonald A et al. Feeding Problems in Young PKU Children. Acta Paediatr. 1994; 407: (Suppl) 73-74. PubMed
    • MacDonald A. Diet and Phenylketonuria: A Time for Change? J Hum Nutr Diet. 1994; 7:105-114.
    • Clinical evaluation report 1980-1982 by Prof. Frezal, Sick Children’s Hospital Paris, available upon request.
    • Clinical evaluation report Dr. Sardhawalla, Royal Manchester Children’s Hospital, available upon request.
  • XPhe Maxamum®

    Clinical References for XPhe Maxamum®

    • Brown MC, et al Economic impact of feeding a phenylalanine-restricted diet to adults with previously untreated phenylketonuria. J Intell Disabil Res. 1999; 43:30-7. PubMed
    • Cleary MA, et al. Magnetic Resonance Imaging in Phenylketonuria: Reversal of Cerebral White Matter Change. J Pediatr. 1995; 127:251-255. PubMed
    • MacDonald A. Diet and Phenylketonuria: Time for Change? J Hum Nutr Diet. 1994; 7:105-114.
    • Wardley BL & Taitz LS Clinical Trial of a Concentrated Amino Acid Formula for Older Patients with Phenylketouria (XP Maxamum). Eur J Clin Nutr. 1988; 42:81-86.
    • Taitz LS, et al. Zinc and Selenium Levels in Older Children with Phenylketonuria – Correction of Low Plasma Levels by a New Dietary Supplement Formulation (XP Maxamum). Data on file.
  • XPhe Maxamum Drink (Renamed Periflex LQ in 2014)

    Clinical References for XPhe Maxamum Drink (Renamed Periflex LQ in 2014).

    • Shaw H, Yannicelli S. Acceptability and Clinical use of a new Ready-To-Drink PKU product. Poster presented at annual meeting of GMDI (Genetic Metabolic Dietitians International), Atlanta, USA, 2006.
  • Lanaflex®

    Clinical References for Lanaflex®

    • Schindeler S et al. The effects of large neutral amino acids supplements in PKU: An MRS and neuropsychological study. Mol Gen and Metab 2007; 91:48-54. PubMed
    • Crowley C et at. Clinical trial of “off diet” older phenylketonurics with a new phenylalanine-free product. J Metal Deficiency Research 1990; 34: 361-369. PubMed
  • Monogen®

    Clinical References for Monogen®

    • Lessen R. Use of Skim Breast Milk for an Infant with Chylothorax. ICAN (2009); 1 (6):303-10
    • Ficicioglu C, et al. Very long-chain acyl-CoA dehydrogenase deficiency : The effects of accidental fat loading in a a patient detected through newborn screening. J Inherit Metab Dis. 2009 Apr 4 (Epub ahead of print). PubMed
    • Izzard, ME et al. The use of Monogen on the conservative management of chylous fistula. Otolaryng Head Neck. 2007;136 (4 Suppl): S50-3. PubMed
    • Möller A, et al. Congenital intestinal lymphangiectasia: a rare differential diagnosis in hypoproteinemia in infants. Klin Padiatrie. 2006;218(4):224-5 (German). PubMed
    • Cormack, BE et al. Use of Monogen for pediatric postoperative chylothorax. Ann Thorac Surg. 2004; 77(1):301-5. PubMed
    • Ng, PC et al. Deceptive hyperbilirubinaemia in a newborn with familial lipoprotein lipase deficiency. J Paediatr Child H. 2001;37(3):314-6. PubMed
  • Duocal®

    Clinical References for Duocal®

    • Illsinger S, Lücke T, Meyer U, Vaske B, Das AM. Branched chain amino acids as a parameter for catabolism in treated phenylketonuria. Amino Acids. 2005 Feb;28(1):45-50. PubMed
    • Plauth M, Roske AE, Romaniuk P, Roth E, Ziebig R, Lochs H. Post-feeding hyperammonaemia in patients with transjugular intrahepatic portosystemic shunt and liver cirrhosis: role of small intestinal ammonia release and route of nutrient administration. Gut. 2000 Jun;46(6):849-55. PubMed
    • Wilson DC, Cairns P, Halliday HL, Reid M, McClure G, Dodge JA. Randomised controlled trial of an aggressive nutritional regimen in sick very low birthweight infants. Arch Dis Child Fetal Neonatal Ed. 1997 Jul;77(1):F4-11. PubMed
    • Iacona G Carroccio A, Cavataio F & Montalto G. Case report: Multiple food allergy. J Pediatr Gastroenterol Nutr 1993; 16:472-473
    • Morris R, Hart K, Smith V, Shannon L, Bolton J, Abbott R, Alleyne M, Plant H, Slevin ML. A comparison of the energy supplements Polycal and Duocal in cancer patients. J Hum Nutr Diet. 1990; 3: 171-176