Ankylosing spondylitis
Khan, M A
Ankylosing spondylitis - Oxford : Oxford University Press, 2009 - Oxford American rheumatology library .
9780195368079 019536807X (pbk.) :
Rheumatology
Ankylosing spondylitis - Oxford : Oxford University Press, 2009 - Oxford American rheumatology library .
9780195368079 019536807X (pbk.) :
Rheumatology