Head size at one year as a predictor of four-year IQ.
D000328:Adult; D000367:Age Factors; D001827:Body Height; D002508:Cephalometry; D004522:Educational Status; D005260:Female; D006801:Humans; D007223:Infant; D007360:Intelligence; D007361:Intelligence Tests; D008297:Male; D044469:Racial Groups; D012737:Sex Factors