[The family planning work in Yiyang prefecture as suggested by part of the data of the sample fertility survey].
Li
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D001208:Asia; D001519:Behavior; D001723:Birth Rate; D002681:China; D003268:Contraception Behavior; D003710:Demography; D003906:Developing Countries; D005202:Asia, Eastern; D005298:Fertility; D008393:Marriage; D011153:Population; D011157:Population Dynamics; D012725:Sexual Behavior
Asia; Behavior; Birth Rate; China; Contraceptive Usage; Demographic Factors; Developing Countries; Eastern Asia; Fertility; Fertility Measurements; Fertility Rate; Marriage; Marriage Age; Marriage Patterns; Nuptiality; Population; Population Dynamics; Reproductive Behavior