Duquesnoy, R J High prevalence of HLA-B27, Cw1 and Cw2 in patients with seronegative spondyloarthritis. [electronic resource] - Tissue antigens Jul 1978 - 58-62 p. digital Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. ISSN: 0001-2815 Subjects--Topical Terms: Arthritis, Reactive--geneticsHLA Antigens--analysisHumansSpondylitis, Ankylosing--genetics