title: Cerebral palsy and birth defects: what is the frame of reference?
authors.affiliation: Department of Community and Family Health, College of Public Health, University of South Florida, Tampa, FL, USA.
authors.forename: Russell S
authors.initials: RS
authors.lastname: Kirby
mesh_terms: D002547:Cerebral Palsy / Q000151:congenital* / Q000453:epidemiology*; D000013:Congenital Abnormalities / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008297:Male; D012042:Registries