Effects of parent orientation in sign language on communication skills of preschool children.
D000367:Age Factors; D002675:Child, Preschool; D003142:Communication; D003638:Deafness; D004519:Education, Special; D005260:Female; D006801:Humans; D007223:Infant; D007802:Language; D007858:Learning; D008297:Male; D010287:Parent-Child Relations