http://www.autism.org/

Duke Center for Human Genetics

http://www.chg.duke.edu/

Duke Center for Human Genetics / Autism Study Participation

http://www.chg.duke.edu/patients/autism.html#aspdisorder

Duke Center for Human Genetics / Asperger Disorder Study Participation http://www.chg.duke.edu/patients/aspstudy.html

University of Pittsburgh / NIH Center of Excellence in Autism Research

http://www.aspennj.org/nihstudy.html

University of Pittsburgh / NIH... - Asperger Research Projects

http://www.aspennj.org/research.html