Nutrition in surgical patients.
D002364:Caseins; D004032:Diet; D004044:Dietary Proteins; D004386:Duodenum / Q000601:surgery; D005215:Fasting; D005743:Gastrectomy; D006801:Humans; D009584:Nitrogen / Q000378:metabolism; D009747:Nutritional Physiological Phenomena; D010288:Parenteral Nutrition; D011182:Postoperative Care; D013514:Surgical Procedures, Operative
D002364:Caseins; D004044:Dietary Proteins; D009584:Nitrogen