title: [Comparative study of the effect of cimetidine 800 mg once a day and 400 mg twice a day in the treatment of duodenal ulcer].
mesh_terms: D000293:Adolescent; D000328:Adult; D002927:Cimetidine / Q000008:administration & dosage*; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D004381:Duodenal Ulcer / Q000188:drug therapy* / Q000503:physiopathology; D005260:Female; D005744:Gastric Acid / Q000378:metabolism; D006801:Humans; D008297:Male; D008875:Middle Aged
chemical_list: D002927:Cimetidine
vernacular_title: Estudio comparativo del effecto de la cimetidina 800 mg una vez al día y 400 mg dos veces al día en eltratamiento de la úlcera duodenal.