Circulorespiratory endurance of three age groups of institutionalized trainable mentally retarded males.
D000293:Adolescent; D000328:Adult; D002648:Child; D004495:Education of Persons with Intellectual Disabilities; D006801:Humans; D008607:Intellectual Disability / Q000503:physiopathology*; D008297:Male; D005082:Physical Exertion; D010809:Physical Fitness