Establishing functional speech in echolalic children.
D002648:Child; D002675:Child, Preschool; D004454:Echolalia / Q000628:therapy; D006801:Humans; D008297:Male; D012054:Reinforcement, Psychology; D012057:Reinforcement, Verbal; D013064:Speech Disorders / Q000628:therapy*; D014706:Verbal Learning