另有常规治疗组50例，仅用吸氧、抗感染、必嗽平、改善通气等常规处理。

Other 50 patients were served as control and were treated with conventional therapy only.

youdao

另有常规治疗组50例，仅用吸氧、抗感染、必嗽平、改善通气等常规处理。

Other 50 patients were served as control and were treated with conventional therapy only.

youdao