S Enke, B D Hickman. Show Affiliations »
Abstract
Mesh： See more » AdolescentAdultCosts and Cost AnalysisDeveloping CountriesFamily Planning ServicesFemaleFertilityFinancing, GovernmentHumansMiddle AgedMotivationPopulation ControlPopulation GrowthPregnancyReward
Year: 1973 PMID： 4732042
Source DB: PubMed Journal: J Biosoc Sci ISSN： 0021-9320