Ankylosing spondylitis: evidence for a non-HLA-B*27 protective effect.
S
S
van der Linden
D
D
van der Heijde
D015796:HLA-B27 Antigen; D006801:Humans; D015995:Prevalence; D012306:Risk; D013167:Spondylitis, Ankylosing / Q000276:immunology*
D015796:HLA-B27 Antigen