title: The clinical assessment of sacro-iliac joint involvement in ankylosing spondylitis.
mesh_terms: D000293:Adolescent; D000328:Adult; D001772:Blood Cell Count; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011187:Posture; D011859:Radiography; D011877:Radionuclide Imaging; D012446:Sacroiliac Joint / Q000000981:diagnostic imaging; D013167:Spondylitis, Ankylosing / Q000175:diagnosis* / Q000000981:diagnostic imaging