R T Ravenholt, H Frederiksen. Show Affiliations »
Abstract
Mesh: See more » AdolescentAdultBirth OrderBirth RateChildFamily Planning Services/statistics & numerical dataFemaleFertilityHumansIntrauterine Devices/statistics & numerical dataJapanMaternal AgeMiddle AgedParityPregnancyStatistics as TopicTaiwanUnited States
Year: 1968 PMID: 4968119 PMCID: PMC1891071
Source DB: PubMed Journal: Public Health Rep ISSN: 0094-6214 Impact factor: 2.792