Nissilä, M Antibodies to Klebsiella pneumoniae, Escherichia coli, and Proteus mirabilis in ankylosing spondylitis: effect of sulfasalazine treatment. [electronic resource] - The Journal of rheumatology Nov 1994 - 2082-7 p. digital Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 0315-162X Subjects--Topical Terms: AdultAntibodies, Bacterial--bloodDouble-Blind MethodEscherichia coli--immunologyFemaleFollow-Up StudiesHumansImmunoblottingImmunoglobulin A--bloodImmunoglobulin G--bloodImmunoglobulin M--bloodKlebsiella pneumoniae--immunologyLongitudinal StudiesMaleMiddle AgedProteus mirabilis--immunologySpondylitis, Ankylosing--drug therapySulfasalazine--therapeutic use