[Gastric ulcer: comparative double-blind study with cimetidine and placebo].
D000328:Adult; D000368:Aged; D002927:Cimetidine / Q000008:administration & dosage / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D005260:Female; D006146:Guanidines / Q000627:therapeutic use*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010919:Placebos / Q000627:therapeutic use; D013276:Stomach Ulcer / Q000188:drug therapy*
D006146:Guanidines; D010919:Placebos; D002927:Cimetidine
Ulcera gástrica: estudio doble ciego comparativo con cimetidina-placebo.