方法采用流行病学调查、临床诊断和实验室检验结果相结合的方法。
Methods The method which combined epidemiology investigation, clinical diagnosis and the result of laboratory detection was adopted.
或补充以往的流行病学调查和实验室检侧数据。
Or the supplement former epidemiology investigation and the laboratory examine the side data.
方法：采用现场流行病学调查方法，采取可疑食品及环境标本进行实验室检测。
Methods Adopt Fieldepidemiology investigation methods, take the questionable food and environment specimen to carry out laboratory detection.
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