3341. Alterations in liver plasma membranes and their possible role in cholestasis.3342. The enterohepatic circulation.3343. Lactose and lactase--a historical perspective.3344. Principles and practice of parenteral nutrition.3345. Differential diagnostic approach to clinical problems of malabsorption.3346. Vascular insufficiency of the intestines.3347. Cellular immunity in Crohn's disease.3348. Protein digestion and absorption.3350. Growing role of early surgery in chronic pancreatitis: a practical clinical approach.3352. Alcohol and the gastrointestinal tract.3353. Control of gastric secretion: no room for histamine?3355. Immunological apparatus of the gut and inflammatory bowel disease.3356. Role of serum hepatitis virus in chronic liver disease.3357. Pepsinogens, pepsins, and pepsin inhibitors.3358. The digestion and absorption of dietary folate.3359. Blood flow and gastrointestinal function.3360. Intestinal hormones as inhibitors of gastric secretion. |