Erythrocyte vitamin B12 levels in pregnancy.
D000293:Adolescent; D000328:Adult; D000740:Anemia / Q000209:etiology; D004912:Erythrocytes / Q000032:analysis*; D005260:Female; D005494:Folic Acid Deficiency / Q000150:complications; D006801:Humans; D008099:Liver / Q000032:analysis; D011247:Pregnancy; D014805:Vitamin B 12 / Q000097:blood*
D014805:Vitamin B 12