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Surface density expression of NKp30 (A), NKp44 (B), and NKp46 (C) on human NK cells stimulated with live BCG (black bars) or left unstimulated (shaded bars) for 3 to 4 days in vitro. Levels of NCR expression by NK cells were evaluated by determining MFIs. Mean values from seven different blood donors ± SEM are reported. *, P < 0.05 (Student's t test for paired samples).
