Enteral vs parenteral nutrition.
D003422:Critical Care; D019587:Dietary Supplements; D004750:Enteral Nutrition / Q000009:adverse effects / Q000379:methods; D006801:Humans; D009747:Nutritional Physiological Phenomena / Q000187:drug effects* / Q000502:physiology; D010288:Parenteral Nutrition / Q000009:adverse effects / Q000379:methods