RT Journal Article SR Electronic T1 Acute gangrenous proctitis JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 295 OP 298 VO 47 IS 4 A1 Diehl, James T. A1 Steiger, Ezra A1 Fazio, Victor W. A1 Weakley, Frank L. YR 1980 UL http://www.ccjm.org/content/47/4/295.abstract AB