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文献信息
Family Planning MethodsFamily PlanningStatistical Personnelthe Number of Live BirthsHealth Information SystemStatistical SystemTotal Fertility RatePopulation Growth RateIndustrial ProductivityPlanning ProgramNational DevelopmentHealth StatisticsOral ContraceptiveSampling FrameInduced AbortionIntegral ComponentFertility RateHealth PlanningProgram EvaluationPersonal Experience
vol.6 (1977)
vol.5 (1976)
vol.4 (1975)
vol.2 (1974)
Chen, A.Pang, S.