A study of language development in a sample of 3 year old children.
D002675:Child, Preschool; D005006:Ethnicity; D005191:Family Characteristics; D005260:Female; D006801:Humans; D007804:Language Development; D007806:Language Disorders / Q000453:epidemiology*; D008131:London; D008297:Male; D009048:Motor Skills; D012578:Schools, Nursery; D012923:Social Class