title: [Tobacco and gastric secretion].
mesh_terms: D004381:Duodenal Ulcer / Q000188:drug therapy / Q000503:physiopathology; D005744:Gastric Acid / Q000378:metabolism*; D006801:Humans; D011899:Ranitidine / Q000627:therapeutic use; D012008:Recurrence; D012907:Smoking; D013276:Stomach Ulcer / Q000503:physiopathology
chemical_list: D011899:Ranitidine
vernacular_title: Tabaco y secreción gástrica.