Long-term efficacy and safety of infliximab in the treatment of ankylosing spondylitis: an open, observational, extension study of a three-month, randomized, placebo-controlled trial.
Arthritis Rheum. 2003 Aug;48(8):2224-33. doi: 10.1002/art.11104.
Arthritis Rheum. 2003.
PMID: 12905476
Free article.
Clinical Trial.