Fig. 1From: Increased serum levels of fractalkine and mobilisation of CD34+CD45− endothelial progenitor cells in systemic sclerosisQuantification of endothelial microparticles (EMPs) in the peripheral blood of healthy control subjects (HCs) and patients with systemic sclerosis (SSc). EMP numbers (nb) were defined as annexin V+/CD31+CD41− events and quantified by high-sensitivity flow cytometry using counting beads. *** P < 0.0005Back to article page