title: Letter: ECL cell proliferation and gastrin levels.
mesh_terms: D000368:Aged; D002455:Cell Division; D002838:Chromaffin System / Q000473:pathology*; D004759:Enterochromaffin Cells / Q000473:pathology* / Q000648:ultrastructure; D005260:Female; D005755:Gastrins / Q000097:blood*; D005756:Gastritis / Q000473:pathology; D006801:Humans; D008875:Middle Aged
chemical_list: D005755:Gastrins