RT Journal Article SR Electronic T1 Surgery for Chronic Duodenal Ulcer: Comparison of Results with Vagotomy-Posterior Gastrojejunostomy and with Vagotomy–Hemigastrectomy JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 170 OP 178 VO 26 IS 4 A1 Stanley O. Hoerr YR 1959 UL http://www.ccjm.org/content/26/4/170.abstract AB