Method: the study adopt random and double-blind clinic method. Patients that conform to the condition can be selected.

方法：采用以安慰剂为对照药的临床随机和双盲研究。

youdao

Method: the study adopt random and double-blind clinic method. Patients that conform to the condition can be selected.

方法：采用以安慰剂为对照药的临床随机和双盲研究。

youdao