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Percentage of CD39 and CD73 expression by Th, Tcyt, and Treg subsets in peripheral blood. Note. SAS (black circles, n = 38), severe aortic stenosis; MAS (black squares, n = 33), moderate aortic stenosis; HV (black triangles, n = 30), healthy volunteers. Differences between groups were evaluated by using nonparametric Mann–Whitney U-test.
