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我们于 2 0 0 0年 1月对 12 1名健康老年人的咽部分泌物进行了菌群分布调查 ,旨在了解健康老年人上呼吸道菌群的分布状况 ,有助于阐明老年人呼吸道感染的发病机制。现将调查结果报告如下。 一、材料与方法 1.材料 :(1)标本来源 :12 1名老年人来自本市某敬老院 ,咽部标本
We conducted a population distribution survey of pharyngeal secretions of 121 healthy elderly in January 2000 to understand the distribution of upper respiratory flora in healthy elderly and to help clarify respiratory tract infections in the elderly The pathogenesis. The survey results are reported below. First, the material and methods 1 material: (1) specimen source: 12 1 elderly from a nursing home in the city, pharyngeal specimens