Figure 1.

Levels of circulating endothelial progenitor cells (Lin-7AAD-CD133+CD34+VEGFR2+ cells) (A, B) and VEGF serum levels (C, D) in the discovery cohort according to the nailfold videocapillaroscopy pattern.

Avouac et al. Arthritis Research & Therapy 2013 15:R55   doi:10.1186/ar4217
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