Multiply handicapped visually impaired children: instructional materials needs.
D000293:Adolescent; D000342:Affective Symptoms / Q000534:rehabilitation; D001296:Audiovisual Aids / Q000600:supply & distribution*; D002648:Child; D006233:Persons with Disabilities; D004495:Education of Persons with Intellectual Disabilities; D004519:Education, Special; D006801:Humans; D007859:Learning Disabilities / Q000534:rehabilitation; D013064:Speech Disorders / Q000534:rehabilitation; D013663:Teaching; D014481:United States; D014786:Vision Disorders / Q000534:rehabilitation*