[Recent progress in hematology].
D000748:Anemia, Macrocytic / Q000378:metabolism*; D003165:Complement System Proteins / Q000032:analysis*; D004921:Erythropoietin / Q000032:analysis*; D005492:Folic Acid / Q000097:blood; D006801:Humans; D007938:Leukemia / Q000188:drug therapy*; D014805:Vitamin B 12 / Q000097:blood
D004921:Erythropoietin; D003165:Complement System Proteins; D005492:Folic Acid; D014805:Vitamin B 12