An investigation into children in an attempt to differentiate between mental defect and deafness.
D002648:Child; D003638:Deafness; D006311:Hearing Disorders; D034381:Hearing Loss; D006801:Humans; D007223:Infant; D008607:Intellectual Disability; D002666:Psychology, Child
CHILD/psychology; HEARING DISORDERS/in infant and child; MENTAL DEFICIENCY