Objective To understand the prevalences of hoarse voice and throat disease in businessmen of two trade centers in Yiwu city,and to provide basis for prevention and control.

 
  • 目的了解浙江省义乌市国际商贸城经商人员喉部疾病患病现况,为开展经商人员喉部疾病的预防研究提供依据。
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