Methods According to the distribution of recreation places of Shunqing district, 368 CSW were investigated one-to-one by anonymous questionnaire through equal probability sampling.
方法按顺庆城区娱乐场所分布用等概率随机抽样方法抽中368名暗娼 按“一对一”问卷调查。
Methods According to the distribution of recreation places of Shunqing district, 368 CSW were investigated one-to-one by anonymous questionnaire through equal probability sampling.
方法按顺庆城区娱乐场所分布用等概率随机抽样方法抽中368名暗娼 按“一对一”问卷调查。
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