Letter: Anaemia in pregnancy.
D000740:Anemia / Q000175:diagnosis / Q000517:prevention & control*; D001810:Blood Volume; D005260:Female; D006454:Hemoglobins / Q000032:analysis; D006801:Humans; D007501:Iron / Q000378:metabolism / Q000627:therapeutic use; D011247:Pregnancy; D011250:Pregnancy Complications, Hematologic / Q000175:diagnosis / Q000517:prevention & control*
D006454:Hemoglobins; D007501:Iron