Lower respiratory channel virus infection is a frequent disease in clinic.
下呼吸道病毒感染是临床上一种常见病、多发病。
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。
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。
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