title: Relation of radiological appearance to gastric function in simple atrophic gastritis.
mesh_terms: D001769:Blood; D005745:Gastric Acidity Determination; D005756:Gastritis / Q000175:diagnosis*; D006801:Humans; D011859:Radiography; D011868:Radioisotopes; D014805:Vitamin B 12 / Q000378:metabolism
chemical_list: D011868:Radioisotopes; D014805:Vitamin B 12