1. Prevalence of autism spectrum disorders: Autism and Developmental Disabilities Monitoring Network, United States, 2006;Autism and Developmental Disabilities Monitoring Network Surveillance Year 2006 Principal Investigators; Centers for Disease Control and Prevention;MMWR Surveill Summ,2009
2. AGP members: current project (phase 2);Autism Genome Project;Autism Genome Project website
3. Questions about prenatal ultrasound and the alarming increase in autism;Rodgers;Midwifery Today,2006
4. New recommendations on autism spectrum disorder;Szatmari;BMJ,2011