OBJECTIVE To investigate the epidemiological conditions of lower respiratory tract infections and their origins in respiratory intensive care unit (RICU).
目的了解呼吸重症监护室（RICU ）中呼吸功能不全患者下呼吸道感染病原菌的流行状况及来源。
Objective to investigate the pathogenic bacteria of nosocomial infection in patients with lung cancer in respiratory intensive care unit (RICU), as well as their drug resistance.
目的了解近年来呼吸科重症加强治疗病房(RICU)肺癌患者院内下呼吸道感染病原菌分布及耐药情况。
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