Early development of Negro and white babies.
D000223:Adaptation, Psychological; D000367:Age Factors; D001724:Birth Weight; D044383:Black People; D002657:Child Development; D003535:Cyprus; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007804:Language Development; D008131:London; D008297:Male; D009043:Motor Activity; D010553:Personality Development; D011187:Posture; D014900:West Indies; D044465:White People