Therapy for the maintenance of remission in sixty-five patients with generalized Wegener's granulomatosis. Methotrexate versus trimethoprim/sulphamethoxazole. - De Groot,K.; Reinhold-Keller,E.; Tatsis,E.; Paulsen,J.; Heller,M.; Nölle,B.; Gross,WL. (Arthritis Rheum, 1996)