TY - JOUR AU - Griffith, S M; Fisher, J; Clake, S TI - Do patients with rheumatoid arthritis established on methotrexate and folic acid 5 mg daily need to continue folic acid supplements long term? JO - Rheumatology (Oxford) VL - 39 PY - 2000 DO - 10.1093/rheumatology/39.10.1102 SP - 1102 EP - 1109 N1 - et al. ER -