title: Macrocytosis and sulphasalazine treatment of rheumatoid arthritis.
mesh_terms: D000368:Aged; D000748:Anemia, Macrocytic / Q000139:chemically induced*; D001172:Arthritis, Rheumatoid / Q000188:drug therapy*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012460:Sulfasalazine / Q000009:adverse effects* / Q000627:therapeutic use
chemical_list: D012460:Sulfasalazine