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. 2016 Mar 31;18:74. doi: 10.1186/s13075-016-0970-9

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© Ramírez et al. 2016

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 2 — Immunohistochemical analysis of stromal and vascular cells, and expression of angiogenic factors in synovial tissues (ST) from rheumatoid arthritis (RA) patients and non-inflammatory synovial tissues from controls (Normal ST). The density of of hsp47 (fibroblasts), CD31 (blood vessels), and the expression of basic fibroblast growth factor (bFGF) and CXCL12, as assessed by quantitative digital image analysis is shown. Data are represented as mean ± SD. NS not significant