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What is natural fertility? The modelling of a concept
Population Index
|April 1, 1988
Abstract
No abstract available in PubMed .
Keywords:
Age FactorsAge Specific Fertility RateBiologyBirth RateCritiqueData CollectionData SourcesDemographic AnalysisDemographic FactorsDifferential FertilityDiseasesEconomic FactorsEstimation TechnicsEvaluationFertilityFertility MeasurementsFertility RateInfertilityMarital FertilityMeasurementMethodological StudiesModels, TheoreticalNatural Fertility--determinantsPhysiologyPopulationPopulation CharacteristicsPopulation DynamicsReproductionResearch MethodologySocioeconomic FactorsUrogenital EffectsUrogenital SystemWorld