title: Psychometric studies in muscular dystrophy type 3a (Duchenne).
mesh_terms: D000293:Adolescent; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D003467:Cultural Deprivation; D006801:Humans; D008607:Intellectual Disability / Q000150:complications* / Q000209:etiology; D007361:Intelligence Tests; D008297:Male; D009136:Muscular Dystrophies / Q000150:complications*; D011594:Psychometrics