Objective To investigate the clinical effect of postnasal packing by using disposable balloon urinary catheter.

目的观察采用一次性带气囊导尿管进行后鼻孔填塞止血的临床效果。

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Objective To investigate the clinical effect of postnasal packing by using disposable balloon urinary catheter.

目的观察采用一次性带气囊导尿管进行后鼻孔填塞止血的临床效果。

youdao