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文献信息
Disease ControlFamily PlanningMaternal and Child CarePlanning EvaluationNational ReportingPublic FamilyIllegal AbortionFamily Planning ServicesRelative ExcessLocal ProgramsSpontaneous AbortionHealth StatisticsPublic AssistanceHypertonic SalineReporting SystemLevel of EducationAmerican MedicalMortality RateCurettageSurveillance
vol.28 (1979)
vol.23 (1974)