The challenge of diagnosis and classification in early ankylosing spondylitis: do we need new criteria?
Rudwaleit
Martin
M
Charité, Campus Benjamin Franklin, Berlin, Germany. martin.rudwaleit@charite.de
Khan
Muhammad A
MA
Sieper
Joachim
J
D042241:Early Diagnosis; D006801:Humans; D012219:Rheumatology / Q000379:methods*; D013167:Spondylitis, Ankylosing / Q000145:classification* / Q000175:diagnosis*; D009626:Terminology as Topic