For EBC collection, a simple impinger type saliva trapping device was connected to the front end of the EBC collecting tubing, this device can effectively prevent the pollution of EBC by saliva.

 
  • EBC的收集方面,于采样管最前端加装一个如冲击瓶形式的唾液捕集装置,此装置可有效避免EBC受到唾液的污染。
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