These cases are under laboratory investigation.

对这些病例的实验室调查正在进行之中。

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Methods Epidemiological, clinic, and laboratory investigation were made.

方法采用流行病学调查及临床、实验室检测。

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If an analytical alert is observed, a laboratory investigation may be performed.

如果观察到的是分析警戒，应进行实验室调查。

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Some of the initial chemical analysis would be done in a mobile field laboratory during the investigation.

BBC: How to investigate chemical weapons allegations

The study, published last year in the Journal of Clinical Investigation, involved laboratory work with sinus tissue samples from 56 people.

WSJ: People Who Taste Too Much

Pound also criticized U.S. athletics bosses over a spate of recent drugs cases among American athletes following an investigation into the BALCO laboratory in California, where THG was developed.

CNN: Anti-drugs chief confirms HGH test