title: [Duodenal ulcer: double-blind treatment with cimetidine and placebo].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002927:Cimetidine / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D004381:Duodenal Ulcer / Q000188:drug therapy*; D005260:Female; D006146:Guanidines / Q000627:therapeutic use*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010919:Placebos / Q000627:therapeutic use
chemical_list: D006146:Guanidines; D010919:Placebos; D002927:Cimetidine
vernacular_title: Ulcera duodenal: tratamiento doble ciego con cimetidina-placebo.