Objective The purpose of this study was diagnosis of lower respiratory tract infection.

目的研究防污染毛刷诊断下呼吸道感染病原菌的价值。

youdao

Objective The purpose of this study was diagnosis of lower respiratory tract infection.

目的研究防污染毛刷诊断下呼吸道感染病原菌的价值。

youdao