Objective To compare the balance of simple randomization, stratified blocked randomization and minimization.

目的比较简单随机化、中心分层区组随机化和最小化法的均衡性。

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Methods: 80 valid patients were divided into the application therapy group and the control group by the simple randomization.

方法：选择合格冠心病心绞痛患者80例，运用简单随机方法，随机分为治疗组、对照组。

youdao

Methods: 80 valid patients were divided into the application therapy group and the control group by the simple randomization.

方法：选择合格冠心病心绞痛患者80例，运用简单随机方法，随机分为治疗组、对照组。

youdao