a double blind randomized study 随机双盲对照研究
a double blind randomized controlled 随机双盲对照
a double-blind randomized controlled clinical 双盲随机对照
a randomized double-blind 随机双盲
a randomized double-blind trial 随机双盲对照研究
a randomized double-blind study 随机双盲试验
METHODS: We conducted a multicenter, randomized, double - blind, parallel - treatment, placebo - controlled study in Japan.
方法:在日本进行一项多中心随机双盲对比治疗的安慰剂对照研究。
Methods We conducted a multicenter, randomized, double-blind trial involving nulliparous women who were at low risk for preeclampsia.
方法我们进行了一项多中心、随机、双盲试验,纳入先兆子痫危险低的未经产妇女。
Methods A randomized double-blind parallel controlled clinical trial was conducted.
方法本研究采用随机、双盲、平行对照的临床研究方法。
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