FIRST proceedings of the gastroenterology research group; 1955 fall meeting.
D005762:Gastroenterology; D006801:Humans; D007421:Intestine, Small / Q000502:physiology*; D007422:Intestines; D010437:Peptic Ulcer / Q000209:etiology*; D012106:Research
INTESTINE, SMALL/physiology; PEPTIC ULCER/etiology and pathogenesis