[Intrinsic factor mechanism and vitamin B12].
D000818:Animals; D002850:Chromatography, Gel; D007408:Intestinal Absorption; D007437:Intrinsic Factor / Q000502:physiology*; D051381:Rats; D014805:Vitamin B 12 / Q000378:metabolism*
D007437:Intrinsic Factor; D014805:Vitamin B 12