[Importance of placentation on the birth weight of twins].
D001724:Birth Weight; D001835:Body Weight; D002648:Child; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D010929:Placentation; D011247:Pregnancy; D014427:Twins / Q000502:physiology*
BODY WEIGHT/in infancy and childhood; INFANT, NEWBORN; TWINS/physiology