Bale, U M HLA antigens in ankylosing spondylitis: the association of HLA-B27. [electronic resource] - The Indian journal of medical research Jan 1980 - 96-103 p. digital Publication Type: Journal Article ISSN: 0971-5916 Subjects--Topical Terms: AdolescentAdultFemaleHLA Antigens--analysisHumansMaleMiddle AgedSpondylitis, Ankylosing--genetics