title: Cimetidine and duodenal ulcer.
mesh_terms: D000328:Adult; D001291:Attitude of Health Personnel; D002927:Cimetidine; D004381:Duodenal Ulcer / Q000175:diagnosis*; D005770:Gastrointestinal Neoplasms / Q000175:diagnosis; D006146:Guanidines; D006801:Humans; D008297:Male
chemical_list: D006146:Guanidines; D002927:Cimetidine