Media type: E-Article Title: Gastric ulcers differ from duodenal ulcers evaluation of basal acid output Contributor: Collen, Martin J.; Sheridan, Michael J. imprint: Springer Science and Business Media LLC, 1993 Published in: Digestive Diseases and Sciences Language: English DOI: 10.1007/bf01299909 ISSN: 0163-2116; 1573-2568 Keywords: Gastroenterology ; Physiology Origination: Footnote: