Breast feeding and child development at five years.
D001724:Birth Weight; D001942:Breast Feeding; D002657:Child Development; D002675:Child, Preschool; D005260:Female; D006128:Growth; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D011247:Pregnancy; D012907:Smoking