Methods With the method of stratified and cluster sampling, a questionnaire for the specific technicist of prevention and cure of AIDS and a visitation for the leaders in county area were carried out.
英
美
释义
方法采用分层整群抽样法,对基层艾滋病防治相关领导及艾滋病防治专业技术人员进行访谈及问卷调查。
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