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Keywords:
AsiaChinaContraceptionContraceptive Methods ChosenContraceptive UsageCultural BackgroundDemographic FactorsDeveloping CountriesEastern AsiaEconomic FactorsEducational StatusEthnic GroupsFamily PlanningPopulationPopulation CharacteristicsResearch MethodologySampling StudiesSocioeconomic FactorsSocioeconomic StatusStudiesSurveys