[Methods] 352 noise and heat-exposed workers in a chemical fiber enterprise were taken as the observation group and 263 non noise and heat-exposed workers in the same factory were taken as the control group.
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美
- 方法選取某化纖企業(yè)352名噪聲和高溫作業(yè)人員為觀(guān)察組,263名同廠(chǎng)非噪聲和高溫作業(yè)人員為對照組,采用現場(chǎng)調查、環(huán)境監測和職業(yè)性體檢的方法進(jìn)行現場(chǎng)和健康情況的調查。
