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Expression of CD27 and CD70 on NK cells in HIV-1 infection. Percentages of NK (CD56+ CD3–) cells in PBMC expressing (a) CD27 and (b) CD70. Percentages of CD56bright NK cells expressing (c) CD27 and (d) CD70. Percentages of CD56dim NK cells expressing (e) CD27 and (f) CD70. The boxes depict the 25th and 75th percentiles, with a line at the median and whiskers depicting the 5th and 95th percentiles.
