[Study of absorption mechanism of iron through the duodenum during pregnancy].
D000818:Animals; D004386:Duodenum / Q000378:metabolism*; D005260:Female; D007408:Intestinal Absorption; D007501:Iron / Q000378:metabolism*; D007503:Iron Isotopes; D011247:Pregnancy; D011270:Pregnancy, Animal / Q000502:physiology*; D051381:Rats
D007503:Iron Isotopes; D007501:Iron