Early speech development in blind children.
D001766:Blindness / Q000151:congenital / Q000523:psychology*; D002675:Child, Preschool; D003142:Communication; D004454:Echolalia / Q000523:psychology; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007804:Language Development; D008297:Male