Defibrotide for the Treatment of Veno-Occlusive Disease/Sinusoidal Obstruction Syndrome in Paediatric Patients Who Did Not Receive Haematopoietic Stem Cell Transplantation: Case Reports of Patients From a German Academic Hospital

地夫布罗肽治疗未接受造血干细胞移植的儿童静脉闭塞性疾病/窦状隙阻塞综合征：德国一家教学医院的病例报告