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2. Data Resource Center for Child and Adolescent Health. (2012). 2005–2006 National survey of children with special health care needs. Cited January 4, 2012. Available at: http://childhealthdata.org/browse/survey/results?q=8&r=1&g=46 .
3. US Department of Education. (2011). Office of Special Education Programs, Data Analysis System (DANS), OMB #1820-0557: Infants and Toddlers Receiving Early Intervention Services in Accordance with Part C, 2010. Table 8–16. Number and percentage of infants and toddlers, ages birth to three, receiving early intervention services under IDEA, Part C, by state: 2010. Cited December 16, 2011. Available at: https://www.ideadata.org/arc_toc12.asp#partcCC .
4. Shackelford, J. (2006). State and jurisdictional eligibility definitions for infants and toddlers with disabilities under IDEA. (NECTAC Notes No. 21). Chapel Hill: The University of North Carolina, FPG Child Development Institute, National Early Childhood Technical Assistance Center.
5. Feinberg, E., Silverstein, M., Donahue, S., & Bliss, R. (2011). The impact of race on participation in Part C early intervention services. Journal of Developmental and Behavioral Pediatrics, 32(4), 1–8.