Methods Case control study.

方法断面对照研究。

youdao

Methods Case control study and self-control study in Chinese herbal treatment group were conducted.

方法采用病例对照研究和中药治疗组自身前后对照研究。

youdao

Methods Case control study and self-control study in Chinese herbal treatment group were conducted.

方法采用病例对照研究和中药治疗组自身前后对照研究。

youdao