RT Journal Article SR Electronic T1 The Roentgenologic Diagnosis of Jejunal or Marginal Ulcer JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 286 OP 291 VO 20 IS 1 A1 Strittmatter, William C. A1 Wise, Robert E. YR 1953 UL http://www.ccjm.org/content/20/1/286.abstract AB