答案是“金标准”，双盲，安慰剂对照研究。
The answer is the "gold standard" double blind, placebo controlled study.
方法：采用前瞻性随机双盲、安慰剂对照研究。
Methods: To adopt a random, double-blind and placebo comparative research.
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, parallel - treatment, placebo - controlled study in Japan.
应用推荐