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OBJECTIVE To localize inflammatory and chronic changes to defined areas in the sacroiliac joints in patients with early-stage compared with late-stage spondylarthritis (SpA), using magnetic resonance(More)
OBJECTIVE To characterise the immunohistological features of sacroiliitis in ankylosing spondylitis (AS) at different disease stages. METHODS Biopsy samples from sacroiliac joints (SIJs) of five(More)