Oral contraceptive drugs: some observations on their effect on menstrual loss and hematologic indices.
D000293:Adolescent; D000328:Adult; D003276:Contraceptives, Oral / Q000494:pharmacology*; D005260:Female; D006452:Hemoglobinometry; D006801:Humans; D007501:Iron / Q000097:blood* / Q000378:metabolism; D008598:Menstruation / Q000187:drug effects*; D008875:Middle Aged; D014168:Transferrin
D003276:Contraceptives, Oral; D014168:Transferrin; D007501:Iron