患者被按照3：1的比例随机分配进行立即或延迟治疗。

Patients were randomly assigned 3:1 to immediate or deferred therapy.

youdao

患者被按照3：1的比例随机分配进行立即或延迟治疗。

Patients were randomly assigned 3:1 to immediate or deferred therapy.

youdao