RT Journal Article SR Electronic T1 A 65-year-old man with melena and a blood disorder JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 573 OP 578 DO 10.3949/ccjm.89a.20175 VO 89 IS 10 A1 Werlang, Monia E. A1 Montenegro, Marilia L. A1 Brahmbhatt, Bhaumik YR 2022 UL http://www.ccjm.org/content/89/10/573.abstract AB