title: The development of language abilities in mongols: a correlational study.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D002674:Child, Institutionalized; D004314:Down Syndrome; D005260:Female; D006801:Humans; D007360:Intelligence; D007361:Intelligence Tests; D007804:Language Development; D008297:Male; D011578:Psycholinguistics; D011581:Psychological Tests; D012737:Sex Factors; D014705:Verbal Behavior