title: [Duodenal ulcer: comparison of 3 different long-term therapeutic protocols after healing].
mesh_terms: D000328:Adult; D000368:Aged; D004334:Drug Administration Schedule; D004381:Duodenal Ulcer / Q000188:drug therapy*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D011899:Ranitidine / Q000008:administration & dosage / Q000627:therapeutic use*; D012008:Recurrence
chemical_list: D011899:Ranitidine
vernacular_title: Ulcera duodenale: confronto fra tre diversi comportamenti terapeutici a lungo termine dopo la cicatrizzazione.