(Q84240334)
Statements
Clinical efficacy and safety of etanercept versus sulfasalazine in patients with ankylosing spondylitis: a randomized, double-blind trial (English)
Juergen Braun
Irene E van der Horst-Bruinsma
Feng Huang
Ruben Burgos-Vargas
Bonnie Vlahos
Andrew S Koenig
Bruce Freundlich