目的：环甲膜切开选择性代替气管切开的可行性。

Objective: to investigate the feasibility of Selsctive cricothyroid laryngotomy instead of incision of trachea.

youdao

目的：环甲膜切开选择性代替气管切开的可行性。

Objective: to investigate the feasibility of Selsctive cricothyroid laryngotomy instead of incision of trachea.

youdao