Vitamin B12 concentration in maternal and fetal blood.
D005260:Female; D005312:Fetal Blood; D006801:Humans; D007231:Infant, Newborn / Q000097:blood; D011247:Pregnancy / Q000097:blood; D014470:Umbilical Cord; D014805:Vitamin B 12 / Q000097:blood*
D014805:Vitamin B 12
INFANT, NEWBORN/blood in; PREGNANCY/blood in; UMBILICAL CORD; VITAMIN B12/in blood