Journal of Cancer Prevention : pISSN 2288-3649 / eISSN 2288-3657

Fig. 1.

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Fig. 1. Comparison of natural killer (NK) cell activity, according to the number of cigarettes smoked, among current smokers. (A) NK cell activity decreased with increases in the daily number of cigarettes smoked. (B) NK cell activity decreased with increases in the pack-years. The levels of NK cell activity between groups were compared using Mann–Whitney U-test.
Journal of Cancer Prevention 2020;25:13-20 https://doi.org/10.15430/JCP.2020.25.1.13
© 2020 Journal of Cancer Prevention