Methodological issues in the study of rare exposures and rare outcomes in perinatal epidemiology
Bracken M. Methodological issues in the study of rare exposures and rare outcomes in perinatal epidemiology. Journal Of Allergy And Clinical Immunology 1999, 103: s354-s355. PMID: 9949337, DOI: 10.1016/s0091-6749(99)70262-9.Peer-Reviewed Original ResearchMeSH KeywordsEpidemiologic StudiesFemaleHumansMaternal ExposurePerinatal CarePregnancyPregnancy OutcomeProspective Studies