title: Population-based birth defects surveillance systems in the United States.
authors.affiliation: Department of Maternal and Child Health, School of Public Health, University of Alabama at Birmingham, Birmingham, AL, USA.
authors.forename: Russell S
authors.initials: RS
authors.lastname: Kirby
authors.forename: Cara T
authors.initials: CT
authors.lastname: Mai
mesh_terms: D000013:Congenital Abnormalities / Q000453:epidemiology*; D006801:Humans; D007231:Infant, Newborn; D011159:Population Surveillance; D015995:Prevalence; D014481:United States / Q000453:epidemiology