Methods Subjects were collected from community population by stratified multi-stage cluster sampling method. The data gathered from case investigation and serological detection.

方法对社区人群采用多阶段分层整群随机抽样方法抽取研究对象，进行个案调查和血清学检测。

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Therefore I springs with Suzhou comment as case investigation and research, and makes the investigation of deep layer from the reason of theory and reality that two aspects produce for problem.

因此，本人以苏州评弹作为个案调查和研究，并从理论和实际两个方面对问题产生的原因作深层的考察。

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Preparedness focuses on surveillance, from case detection to investigation and laboratory confirmation.

防备的重点是监测，从病例发现和调查，到实验室确认。

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"In order to verify the casualties of civilians we have launched an investigation into this case to make sure how many civilians are killed and to make sure that what these civilians were doing at 2:30 in the morning in that place that is not a residential place.

VOA: standard.2009.09.04

"However, it appears that these processes have not been followed in this case and the investigation is focusing on data protection issues and the unlawful disclosure of confidential information, " she added.

BBC: Richard Rhodes

The money goes for the legal bills stemming from the Whitewater investigation and its various spinoffs, the Paula Jones case, the Monica Lewinsky investigation and the congressional impeachment proceedings.

CNN: By WOLF BLITZER AND KARLA CROSSWHITE/

Dubai's public prosecutor was also aware of the case and the investigation, it added.

BBC: Dubai police 'deny torture of British men'