Serum folic acid levels in pregnancy and their relationship to megaloblastic marrow change.
D000748:Anemia, Macrocytic / Q000097:blood*; D001681:Biological Assay; D004032:Diet; D005260:Female; D005492:Folic Acid / Q000097:blood*; D006454:Hemoglobins / Q000097:blood; D006801:Humans; D011247:Pregnancy; D011250:Pregnancy Complications, Hematologic / Q000097:blood*
D006454:Hemoglobins; D005492:Folic Acid