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Abstract
Mesh: See more » AdolescentAdultAfrican AmericansAge FactorsEuropean Continental Ancestry GroupFemaleHumansInfertility/epidemiologyInfertility/therapyMaleParityUnited States
Year: 1985 PMID: 3919271
Source DB: PubMed Journal: MMWR Morb Mortal Wkly Rep ISSN: 0149-2195 Impact factor: 17.586