Maksymowych, W The absence of circulating immune complexes in patients with ankylosing spondylitis. [electronic resource] - Rheumatology international 1981 - 107-9 p. digital Publication Type: Journal Article ISSN: 0172-8172 Standard No.: 10.1007/BF00541253 doi Subjects--Topical Terms: AdultAgedAntigen-Antibody Complex--analysisComplement Activating EnzymesComplement C1qComplement Fixation TestsFemaleHumansMaleMiddle AgedRadioimmunoassay--methodsSpondylitis, Ankylosing--immunology