Elemental diets--facts and fantasies.
D000818:Animals; D005526:Food, Formulated / Q000009:adverse effects / Q000032:analysis*; D005746:Gastric Emptying; D005750:Gastric Juice / Q000378:metabolism; D005767:Gastrointestinal Diseases / Q000178:diet therapy; D006801:Humans; D007408:Intestinal Absorption; D009369:Neoplasms / Q000178:diet therapy; D009751:Nutritional Requirements; D010189:Pancreatic Juice / Q000378:metabolism; D011182:Postoperative Care