title: [Maintenance treatment with ranitidine in duodenal ulcer].
mesh_terms: D004381:Duodenal Ulcer / Q000188:drug therapy*; D006801:Humans; D011899:Ranitidine / Q000008:administration & dosage / Q000627:therapeutic use*; D012008:Recurrence
chemical_list: D011899:Ranitidine
vernacular_title: Tratamiento de mantenimiento con ranitidina en la úlcera duodenal.