[Pregnancy and vitamin B12---correlation between vitamin B12 and iron metabolism, and placental transport of vitamin B12].
D000818:Animals; D001692:Biological Transport; D003067:Coenzymes / Q000032:analysis; D005260:Female; D007501:Iron / Q000097:blood / Q000378:metabolism*; D010920:Placenta / Q000378:metabolism*; D011247:Pregnancy; D011817:Rabbits; D051381:Rats; D014805:Vitamin B 12 / Q000378:metabolism*
D003067:Coenzymes; D007501:Iron; D014805:Vitamin B 12