1. ESPEN guideline on ethical aspects of artificial nutrition and hydration;Druml;Clin Nutr,2016
2. If the gut works, use it; the appropriate provision of medical foods can save a bundle;Campbell;Health Care Strateg Manage,1996
3. If the gut works, use it: but what if you can't?;Langkamp-Henken;Nutr Clin Pract,2003
4. Guidelines for the use of parenteral and enteral nutrition in adult and pediatric patients;ASPEN Board of Directors and the Clinical Guidelines Task Force;J Parenter Enteral Nutr,2002
5. Home parenteral nutrition (HPN) in adult patients;Staun;Clin Nutr,2009