Macrocytic anaemia in patients treated with sulfasalazine for rheumatoid arthritis.
D000748:Anemia, Macrocytic / Q000139:chemically induced*; D005494:Folic Acid Deficiency / Q000139:chemically induced*; D006801:Humans; D012460:Sulfasalazine / Q000009:adverse effects*
D012460:Sulfasalazine