title: Hematologic abnormalities in rheumatoid arthritis.
mesh_terms: D000324:Adrenocorticotropic Hormone / Q000627:therapeutic use; D000740:Anemia / Q000188:drug therapy / Q000209:etiology*; D000747:Anemia, Hypochromic / Q000209:etiology; D000748:Anemia, Macrocytic / Q000209:etiology; D000756:Anemia, Sideroblastic / Q000150:complications; D001172:Arthritis, Rheumatoid / Q000097:blood / Q000150:complications* / Q000378:metabolism; D005258:Felty Syndrome / Q000150:complications; D005492:Folic Acid / Q000378:metabolism; D005494:Folic Acid Deficiency / Q000150:complications; D006471:Gastrointestinal Hemorrhage / Q000150:complications; D006461:Hemolysis; D006801:Humans; D006965:Hyperplasia; D007408:Intestinal Absorption; D007501:Iron / Q000378:metabolism; D012157:Mononuclear Phagocyte System; D010953:Plasma Volume; D014806:Vitamin B 12 Deficiency / Q000150:complications
chemical_list: D000324:Adrenocorticotropic Hormone; D005492:Folic Acid; D007501:Iron