1. Economic costs associated with mental retardation, cerebral palsy, hearing loss, and vision impairment—United States, 2003;Honeycutt;MMWR Morb Mortal Wkly Rep,2004
2. The descriptive epidemiology of cerebral palsy;Paneth;Clin Perinat,2006
3. Surveillance of cerebral palsy in Europe: a collaboration of cerebral palsy surveys and registers;Dev Med Child Neurol,2000
4. Prevalence of four developmental disabilities among children aged 8 years: Metropolitan Atlanta Developmental Disabilities Surveillance Program, 1996 and 2000;Bhasin;MMWR Surveill Summ,2006
5. Prevalence of cerebral palsy in 8-year old children in three areas of the United States in 2002: a multisite collaboration;Yeargin-Allsopp;Pediatrics,2008