[On the roentgenological picture of the sacroiliac joint in Bekhterev's disease].
D001175:Arthrography; D006801:Humans; D012446:Sacroiliac Joint / Q000000981:diagnostic imaging*; D013166:Spondylitis; D013167:Spondylitis, Ankylosing / Q000000981:diagnostic imaging*
SACROILIAC JOINT/radiography; SPONDYLITIS, ANKYLOSING/radiography