Massive hematochezia secondary to graft-versus-host disease and cytomegalovirus.
Shabahang M, Pasquale MD, Bitterman P, Cirenza E, Spitzer T, Evans SR. Massive hematochezia secondary to graft-versus-host disease and cytomegalovirus. Am J Gastroenterol. 1994 Apr; 89(4):632-3.