1. Objective: to investigate the feasibility of Selsctive cricothyroid laryngotomy instead of incision of trachea.
目的:环甲膜切开选择性代替气管切开的可行性。

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2. Objective: to investigate the feasibility of Selsctive cricothyroid laryngotomy instead of incision of trachea.
目的:环甲膜切开选择性代替气管切开的可行性。

来自互联网