The device can be used in double-blind experiments, and also operated by individual operator.
该装置可以用于在双盲实验，并也由单个操作员操作。
Method : Taking Tongxinluo capsules as control, randomized, double-blind, controlled, multi-center clinical experiments were studied.
方法 ：以通心络胶囊为对照，进行随机、双盲、对照、多中心临床试验。
Method : Taking Tongxinluo capsules as control, randomized, double-blind, controlled, multi-center clinical experiments were studied.
方法 ：以通心络胶囊为对照，进行随机、双盲、对照、多中心临床试验。
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