[Oral contraceptives and absorption of vitamin b 12].
D000749:Anemia, Megaloblastic / Q000139:chemically induced; D003276:Contraceptives, Oral / Q000009:adverse effects*; D003278:Contraceptives, Oral, Hormonal / Q000009:adverse effects*; D005260:Female; D006801:Humans; D007408:Intestinal Absorption / Q000187:drug effects; D014805:Vitamin B 12 / Q000378:metabolism*; D014806:Vitamin B 12 Deficiency / Q000139:chemically induced
D003276:Contraceptives, Oral; D003278:Contraceptives, Oral, Hormonal; D014805:Vitamin B 12
Oralis contraceptivumok és B12 vitamin felszívódás