Methods(It was) a randomized, single-blind, parallel controlled and multiple center trial design.
方法采用随机单盲平行对照多中心试验方法。
METHODS: a randomized, multi center, paralleled, single blind, controlled trial was designed.
方法：随机、单盲、多中心、平行对照设计。
Patients with haematological malignancies receiving intensive chemotherapy and requiring hospitalization were randomized in a double-blind, placebo-controlled single-centre trial.
入院接受密集化疗的血液学恶性肿瘤的病人被随机分为两组，在单中心实验中用双盲法处理安慰剂组和控制组。
Patients with haematological malignancies receiving intensive chemotherapy and requiring hospitalization were randomized in a double-blind, placebo-controlled single-centre trial.
入院接受密集化疗的血液学恶性肿瘤的病人被随机分为两组，在单中心实验中用双盲法处理安慰剂组和控制组。
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