After group random sampling, home-visit was made with questionnaire to 1158 married childbearing country women in Chengjiang county.

　
英 美
  • 通過(guò)整群隨機抽樣的方法,采用入戶(hù)詢(xún)問(wèn)方式對澄江縣1158例農村已婚育齡婦女進(jìn)行問(wèn)卷調查。
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