Baraliakos Baraliakos X X Davis Davis J J Tsuji Tsuji W W Braun Braun J J Magnetic resonance imaging examinations of the spine in patients with ankylosing spondylitis before and after therapy with the tumor necrosis factor alpha receptor fusion protein etanercept Magnetic resonance imaging examinations of the spine in patients with ankylosing spondylitis before and after therapy with the tumor necrosis factor alpha receptor fusion protein etanercept Arthritis Rheum Arthritis Rheum 2005 2005 52 52 4 4 1216 1216 1223 1223 supplied-pmid 15818694? The gene discussed is TNFRSF1A; the disease is ankylosing spondylitis.