Objective to investigate the morbidity and relative factors of nosocomial lower respiratory tract infections in hospital.
目的了解住院患者下呼吸道医院感染的发生率及相关因素。
AIM to investigate the distribution of pathogens and their antibiotic resistance from elderly patients with nosocomial lower respiratory tract infections in our hospital.
目的了解老年人院内下呼吸道感染病原菌的分布及耐药状况，为临床合理应用抗菌药物提供参考。
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