Treatment of Severe Veno-Occlusive Disease With Defibrotide: Compassionate Use Results in Response Without Significant Toxicity in a High-Risk Population - Richardson, PG; Elias, AD; Krishnan, A; Wheeler, C; Nath, R; Hoppensteadt, D; Kinchla, NM; Neuberg, D; Waller, EK; Antin, JH; Soiffer, R; Vredenburgh, J; Lill, M; Woolfrey, AE; Bearman, SI; Iacobelli, M; Fareed, J; Guinan, EC (Blood, 1998)