"Autism, NCBDDD." Centers for Disease Control and Prevention. Web. <http://www.cdc.gov/ncbddd/autism>.
"About Autism." Autism Society of America. Web. <http://www.autism-society.org/site/PageServer?pagename=about_home>."Identification and Evaluation of Children With Autism Spectrum Disorders -- Johnson Et Al., 10.1542/peds.2007-2361 -- Pediatrics." AAP - Journal of the American Academy of Pediatrics. Web. <http://pediatrics.aappublications.org/cgi/content/full/peds.2007-2361v1?maxtoshow=&HITS=10&hits=10&RESULTFORMAT=&fulltext=autism&andorexactfulltext=and&searchid=1&FIRSTINDEX=0&sortspec=relevance&resourcetype=HWCIT>.
This content is reviewed periodically and is subject to change as new health information becomes
available. The information is intended to inform and educate and is not a replacement for medical
evaluation, advice, diagnosis or treatment by a health care professional.