The study examined residents participating in the Chicago Healthy and Aging Project (CHAP), a population-based epidemiologic study of residents 65 years or older.
研究调查了参与芝加哥健康与老龄项目(CHAP)的居民。这是一个65岁及以上居民人群流行病学研究。
Objective to monitor the distribution and resistance of enteric pathogenic bacteria in Beijing area to offer the data for guiding epidemiologic study and clinical treatment.
目的监测北京地区肠道致病菌的组成及耐药状况，为本地区的流行病学研究及临床合理用药提供依据。
Objective to monitor the distribution and drug resistance of enteric pathogenic bacteria in some areas of Beijing to offer the basis for guiding epidemiologic study and clinical treatment.
目的监测北京部分地区肠道致病菌的组成及耐药状况，为本地区的流行病学研究及临床合理用药提供依据。
Objective to monitor the distribution and drug resistance of enteric pathogenic bacteria in some areas of Beijing to offer the basis for guiding epidemiologic study and clinical treatment.
目的监测北京部分地区肠道致病菌的组成及耐药状况，为本地区的流行病学研究及临床合理用药提供依据。
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