Epidemiology of ankylosing spondylitis in Northwest Greece, 1983-2002.
D000293:Adolescent; D000328:Adult; D017677:Age Distribution; D000368:Aged; D005260:Female; D006115:Greece / Q000453:epidemiology; D015796:HLA-B27 Antigen / Q000032:analysis; D006801:Humans; D015994:Incidence; D008297:Male; D008875:Middle Aged; D015995:Prevalence; D017678:Sex Distribution; D013167:Spondylitis, Ankylosing / Q000453:epidemiology*
D015796:HLA-B27 Antigen