Factor structure of fears in the mentally retarded.
D000293:Adolescent; D000328:Adult; D001010:Anxiety, Separation; D002648:Child; D004777:Environment; D005239:Fear; D005260:Female; D006801:Humans; D008607:Intellectual Disability; D007360:Intelligence; D008297:Male; D010290:Parents; D010698:Phobic Disorders; D011795:Surveys and Questionnaires