ObjectiveTo have a better understanding of the clinical and laboratory examination characteristics of tuberculous polyserous effusions, and improve the ability to make a correct diagnosis.
研究目的：提高对结核性多浆膜腔积液临床、实验室检查、诊断和鉴别诊断的认识。
In order to know the sanitary quality of disposable sanitary products produced, sold and used in Beijing, field sampling and laboratory examination method were used to carry out a survey.
为了解北京市生产、销售和使用的一次性使用卫生用品的卫生质量状况，采用现场抽取样品和实验室检测方法进行了调查。
In order to know the sanitary quality of disposable sanitary products produced, sold and used in Beijing, field sampling and laboratory examination method were used to carry out a survey.
为了解北京市生产、销售和使用的一次性使用卫生用品的卫生质量状况，采用现场抽取样品和实验室检测方法进行了调查。
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