(Q39616161)
Statements
1 reference
Ankylosing spondylitis--an analytical review of 1500 patients: the changing pattern of disease (English)
1 reference
A Calin
1 reference
J Elswood
1 reference
S Rigg
1 reference
S M Skevington
1 reference
1 August 1988
1 reference
1 reference