After group random sampling, home-visit was made with questionnaire to 1158 married childbearing country women in Chengjiang county.
通过整群随机抽样的方法，采用入户询问方式对澄江县115 8例农村已婚育龄妇女进行问卷调查。
After group random sampling, home-visit was made with questionnaire to 1158 married childbearing country women in Chengjiang county.
通过整群随机抽样的方法，采用入户询问方式对澄江县115 8例农村已婚育龄妇女进行问卷调查。
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