SAT0394 Impact of Disease Duration on Patient Reported and Clinical Outcomes in Patients with Ankylosing Spondylitis Treated with Anti-TNF: An Analysis from A Prospective, Observational Registry
SAT0394 Impact of Disease Duration on Patient Reported and Clinical Outcomes in Patients with Ankylosing Spondylitis Treated with Anti-TNF: An Analysis from A Prospective, Observational Registry