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文献信息
Family PlanningFamily Planning WorkersFear of ComplicationsFemale SterilizationExcessive BleedingRapid Population GrowthHereditary DiseaseContraceptive MethodsCytotoxic DrugsReproductive AgeNorthern RegionWestern RegionEastern RegionLocal AnesthesiaLeydig CellsMainland ChinaEconomic FactorsNumber of CasesCentral RegionVasectomy
vol.24 (1977)
vol.19 (1972)
vol.11 (1965)
vol.11 (1964)
vol.8 (1962)