Contraceptive use in China.
Zhao
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D000367:Age Factors; D001208:Asia; D001723:Birth Rate; D002681:China; D003267:Contraception; D003268:Contraception Behavior; D003710:Demography; D003906:Developing Countries; D005193:Family Planning Services; D005202:Asia, Eastern; D005298:Fertility; D010298:Parity; D011153:Population; D011154:Population Characteristics; D011157:Population Dynamics; D012106:Research; D012424:Rural Population; D012494:Sampling Studies; D014505:Urban Population
Age Factors; Asia; China; Contraception; Contraceptive Usage--changes; Demographic Factors; Developing Countries; Eastern Asia; Family Planning; Fertility; Fertility Measurements; Parity; Population; Population Characteristics; Population Dynamics; Research Methodology; Rural Population; Sampling Studies; Studies; Urban Population