RT Journal Article SR Electronic T1 Massive Hemorrhage (Melena) Due to Leiomyosarcoma of the Jejunum JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 1 OP 6 VO 14 IS 1 A1 Collins, E. N. A1 Spencer, Francis YR 1947 UL http://www.ccjm.org/content/14/1/1.abstract AB