1. Avakian H, Welsh J, Ebringer A, Entwistle CC. Ankylosing spondylitis, HLA-B27 and Klebsiella. II. Cross-reactivity studies with human tissue typing sera. Br J Exp Pathol. 1980;61:92–6.
2. Avorn J, Monane M, Gurwitz JH, Glynn RJ, Chodnovskiy I, Lipsitz LA. Reduction of bacteriuria and pyuria after ingestion of cranberry juice. JAMA. 1994;271:751–4.
3. Avouac J, Gossec L, Dougados M. Diagnostic and predictive value of anti-cyclic citrullinated protein antibodies in rheumatoid arthritis: a systematic, literature review. Ann Rheum Dis. 2006;65:845–51.
4. Blankenberg-Sprenkels SHD, Fielder M, Feldkamp TEW, Tiwana H, Wilson C, Ebringer A. Antibodies to Klebsiella pneumoniae in Dutch patients with ankylosing spondylitis and acute anterior uveitis and to Proteus mirabilis in rheumatoid arthritis. J Rheumatol. 1998;25:743–7.
5. Deighton CM, Gray SW, Biant AJ, Walker DJ. Specificity of the Proteus antibody response in rheumatoid arthritis. Ann Rheum Dis. 1992;51:1206–7.