title: The Andrew Melrose Lecture 1977, Part I. The enigma of peptic ulcer.
mesh_terms: D000017:ABO Blood-Group System; D000328:Adult; D000818:Animals; D002417:Cattle; D002648:Child; D002927:Cimetidine / Q000627:therapeutic use; D004381:Duodenal Ulcer / Q000150:complications / Q000209:etiology; D005006:Ethnicity; D005260:Female; D005750:Gastric Juice / Q000378:metabolism; D006801:Humans; D008297:Male; D010437:Peptic Ulcer / Q000150:complications / Q000209:etiology* / Q000628:therapy; D010438:Peptic Ulcer Hemorrhage / Q000150:complications; D051381:Rats; D046048:Seals, Earless; D013276:Stomach Ulcer / Q000150:complications / Q000209:etiology
chemical_list: D000017:ABO Blood-Group System; D002927:Cimetidine