JainRJunejaMSairamS. Children with developmental disabilities in India: age of initial concern and referral for rehabilitation services, and reasons for delay in referral. J Child Neurol. 2013;28(4):455–460.
2.
BlumbergSJBramlettMDKoganMDSchieveLAJonesJRLuMC. Changes in prevalence of parent-reported autism spectrum disorder in school-aged U.S. children: 2007 to 2011-2012. National Health Statistics Reports, 65; March 20, 2013. Available at: http://www.cdc.gov/nchs/data/nhsr/nhsr065.pdf.