Bridgemohan C, Augustyn M, Torchia M. Surveillance and Screening for Early Warning Signs of Autism Spectrum Disorder in Primary Care. UpToDate http://www.utdol.com/patients/content/topic.do?topicKey=kqqpPJzdC6BE3vc. Accessed April 30, 2010.
Carbone PS, Behl DD, Azor V, Murphy NA. The medical home for children with Early Warning Signs of Autism Spectrum Disorder: parent and pediatrician perspectives. J Autism Dev Discord. 2010;40:317-24.
Centers for Disease Control and Prevention. National Center on Birth Defects and Developmental Disabilities. Learn the Signs. Act Early. Important Milestones: Your Child at Two Years. Available at: https://www.cdc.gov/ncbddd/actearly/milestones/milestones-2yr.html. Accessed August 8, 2011.
First Signs Website. Hallmark Developmental Milestones. Available at: http://www.firstsigns.org/healthydev/milestones.htmexternal icon. Accessed: August 8, 2011.
Golnik A. Medical homes for children with autism: a physician survey. Pediatrics. 2009;123(3): 966.
Greenspan SI, Brazelton TB, Cordero J, et al. Guidelines for early identification, screening, and clinical management of children with Early Warning Signs of Autism Spectrum Disorder. Pediatrics. 2008;121:828-30.
Gupta VB, Hyman SL, Johnson CP, et al. Identifying children with autism early? Pediatrics. 2007;119:152-3.
Johnson CP, Meyers S. Council on Children with Disabilities. American Academy of Pediatrics Clinical Report: Identification and evaluation of children with autism spectrum disorder. Pediatrics. 2007;120:1183-215.
Ozonoff S, Young GS, Steinfeld MB, Hill MM, Cook I, Hutman T, Macari S, Rogers SJ, Sigman M. How early do parent concerns predict later autism diagnosis? Journal of Developmental Behavioral Pediatrics. 2009;30:367-375.
Pickles A, Simonoff E, Conti-Ramsden G, Flacaro M, Simkin Z, Charman T, Chandler S, Loucas T, Baird G. Loss of language in early development of autism and specific language impairment. Journal of Child Psychology and Psychiatry. 2009;50(7):843-852.
Zwaigenbaum L, Bryson S, Lord C, et al. Clinical assessment of toddlers with suspected autism spectrum disorder: insights from studies of high-risk infants. Pediatrics. 2009;123:1383-91.