hospital-acquired lower respiratory tract infection 医院获得性下呼吸道感染
hospital acquired lower respiratory-tract infection 医院获得性下呼吸道感染
OBJECTIVE to study the epidemiological features of hospital lower respiratory tract infection in order to adopt effective control methods.
目的探讨医院下呼吸道感染流行病学特点，以便采取有效的控制措施。
Objective to investigate the distrubution of pathogenic bacteria in lower respiratory tract infection in hospital.
目的了解医院下呼吸道感染患者临床分离病原菌的分布情况。
Objective: in this paper, the law of phthisis sufferers complicating with lower respiratory tract infection in hospital is summarized.
目的：分析住院肺结核患者并发下呼吸道医院内感染的规律。
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