Good, A E Ankylosing spondylitis with selective IgA deficiency and a circulating anticoagulant. [electronic resource] - The Journal of rheumatology 1977 - 297-302 p. digital Publication Type: Case Reports; Journal Article ISSN: 0315-162X Subjects--Topical Terms: Antithrombins--analysisBlood CoagulationDysgammaglobulinemia--bloodHLA Antigens--analysisHumansImmunoglobulin A--analysisImmunoglobulin G--analysisImmunoglobulin M--analysisLymphocyte ActivationLymphocytes--immunologyMaleMiddle AgedSpondylitis, Ankylosing--blood