title: Letter: Radioisotope scan--a possible aid in differentiating retained gastric antrum from Zollinger-Ellison syndrome in patients with recurrent peptic ulcer.
mesh_terms: D000818:Animals; D003937:Diagnosis, Differential; D005750:Gastric Juice / Q000378:metabolism; D005755:Gastrins / Q000097:blood / Q000378:metabolism; D006801:Humans; D007275:Injections, Intravenous; D007515:Islets of Langerhans / Q000378:metabolism; D010437:Peptic Ulcer / Q000209:etiology*; D011178:Postgastrectomy Syndromes / Q000175:diagnosis*; D011706:Pyloric Antrum; D011877:Radionuclide Imaging; D012633:Secretin; D013667:Technetium; D015043:Zollinger-Ellison Syndrome / Q000175:diagnosis*
chemical_list: D005755:Gastrins; D012633:Secretin; D013667:Technetium