1. 1. Mueller A, Weinblatt ME, Methotrexate. Rheumatology, Eighth edition Copyright © 2023, Chapter:63 pp 501-508
2. Long-term safety of methotrexate monotherapy in patients with rheumatoid arthritis: a systematic literature research;Salliot;Ann Rheum Dis,2009
3. A comparison of the efficacy and safety of leflunomide and methotrexate for the treatment of rheumatoid arthritis;Emery;Rheumatology (Oxford),2000
4. 4. Kent PD, Luthra HS, Michet C Jr. Risk factors for methotrexate-induced abnormal laboratory monitoring results in patients with rheumatoid arthritis. J Rheumatol 2004; 31: 1727-31.
5. 5. Alarcón GS, Kremer JM, Macaluso M, Weinblatt ME, Cannon GW, Palmer WR, et al. Risk factors for methotrexate-induced lung injury in patients with rheumatoid arthritis. A multicenter, case-control study. Methotrexate-Lung Study Group. Ann Intern Med 1997; 127: 356-64.