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International Journal of Rheumatology
Volume 2015 (2015), Article ID 316421, 6 pages
http://dx.doi.org/10.1155/2015/316421
Research Article

Ectopic Germinal Centers and IgG4-Producing Plasmacytes Observed in Synovia of HLA-B27+ Ankylosing Spondylitis Patients with Advanced Hip Involvement

1Department of Rheumatology, Fuzhou General Hospital of Nanjing Command, PLA, Fuzhou 350025, China
2Department of Pathology, Fuzhou General Hospital of Nanjing Command, PLA, Fuzhou 350025, China

Received 11 December 2014; Revised 28 March 2015; Accepted 28 March 2015

Academic Editor: Ruben Burgos-Vargas

Copyright © 2015 Xiugao Feng et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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