The determination of developmental norms for a pre-school rural population.
D001077:Aptitude Tests; D002648:Child; D002657:Child Development; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007804:Language Development; D008297:Male; D012016:Reference Values; D012424:Rural Population; D012959:Socioeconomic Factors