title: Letter: Plasma-gastrin and acid secretion in peptic ulceration.
mesh_terms: D004381:Duodenal Ulcer / Q000097:blood / Q000503:physiopathology*; D005745:Gastric Acidity Determination; D005750:Gastric Juice / Q000032:analysis / Q000378:metabolism*; D005755:Gastrins / Q000097:blood*; D006801:Humans; D006863:Hydrogen-Ion Concentration; D014630:Vagus Nerve / Q000503:physiopathology
chemical_list: D005755:Gastrins