What Causes Autism?

 

"Frequently Asked Questions." Autism Speaks. N.p., n.d. Web. 27 Mar. 2014.

http://www.autismspeaks.org/what-autism/faq

"Autism Fact Sheet.”: National Institute of Neurological Disorders and Stroke (NINDS). N.p., n.d. Web. 27 Mar. 2014.

 http://www.ninds.nih.gov/disorders/autism/detail_autism.htm#243543082