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中国计划生育学杂志
川西北地区农村已婚妇女生育节育现状试点调查
学生小组;杨正伟
The Fertility Rates and Contraception Prevalence of Married Women in Northwest Sichuan Rural Areas:A Pilot Study
StudentsGroup[1];YangZhengwei[2]
. 2008, (8): 475 .