"Stepping-up" from methotrexate: a systematic review of randomised placebocontrolled trials in patients with rheumatoid arthritis with an incompleteresponse to methotrexate
Mc. Hochberg et al., "Stepping-up" from methotrexate: a systematic review of randomised placebocontrolled trials in patients with rheumatoid arthritis with an incompleteresponse to methotrexate, ANN RHEUM D, 60, 2001, pp. III51-III54