Screening for autism spectrum disorders in children with Down syndrome: population prevalence and screening test characteristics.
DiGuiseppi C, Hepburn S, Davis JM, Fidler DJ, Hartway S, Lee NR, Miller L, Ruttenber M, Robinson C. Screening for autism spectrum disorders in children with Down syndrome: population prevalence and screening test characteristics. J Dev Behav Pediatr. 2010 Apr; 31(3):181-91.