A family approach to functional sign language.
D000328:Adult; D002648:Child; D002675:Child, Preschool; D004519:Education, Special; D005260:Female; D006801:Humans; D007805:Language Development Disorders / Q000235:genetics* / Q000628:therapy; D007806:Language Disorders / Q000235:genetics*; D008297:Male; D008369:Manual Communication; D010290:Parents / Q000193:education*; D012813:Sign Language