Our method for sorting out the mentally retarded children among the deaf.
D002675:Child, Preschool; D003116:Color; D003638:Deafness / Q000175:diagnosis*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000175:diagnosis*; D008297:Male; D008722:Methods; D013561:Symbolism