title: The treatment of duodenal ulcers with TDB: a duodenoscopic double-blind cross-over investigation.
mesh_terms: D000328:Adult; D001729:Bismuth / Q000008:administration & dosage / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D004381:Duodenal Ulcer / Q000188:drug therapy*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010919:Placebos
chemical_list: D010919:Placebos; D001729:Bismuth