Authors: Kraan, MC Reece, RJ Barg, EC Smeets, TJM Farnell, J Rosenburg, R Veale, DJ Breedveld, FC Emery, P Tak, PP

Citation: Mc. Kraan et al., Modulation of inflammation and metalloproteinase expression in synovial tissue by leflunomide and methotrexate in patients with active rheumatoid arthritis - Findings in a prospective, randomized, double-blind, parallel-design clinical trial in thirty-nine patients at two centers, ARTH RHEUM, 43(8), 2000, pp. 1820-1830