Early verbal disability in children with Duchenne muscular dystrophy.
D000367:Age Factors; D000553:Ambulatory Care; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007360:Intelligence; D008297:Male; D009136:Muscular Dystrophies / Q000150:complications / Q000523:psychology*; D014705:Verbal Behavior; D014888:Wechsler Scales