Durkin, PhD, DrPH, M. S. Frequency and Pattern of Documented Diagnostic Features and the Age of Autism Identification.
Maenner MJ, Schieve LA, Rice CE, Cunniff C, Giarelli E, Kirby RS, Lee LC, Nicholas JS, Wingate MS, Durkin MS. (2013) Frequency and pattern of documented diagnostic features and the age of autism identification. Journal of the American Academy of Child & Adolescent Psychiatry. 52(4):401-413.