title: [Antral G cell distribution and its relationship with pathogenesis of peptic ulcer].
mesh_terms: D000328:Adult; D002452:Cell Count; D005755:Gastrins / Q000378:metabolism*; D006801:Humans; D008875:Middle Aged; D010437:Peptic Ulcer / Q000209:etiology / Q000473:pathology*; D011706:Pyloric Antrum / Q000473:pathology*
chemical_list: D005755:Gastrins