Fig. 7From: Effect of forest bathing trips on human immune functionEffect of a forest bathing trip on the levels of GRN-, perforin-, and GrA/B-expressing cells in PBLs. Data are presented as the mean ± SE (n = 13). *P < 0.05, **P < 0.01, significantly different from before the trip by paired t test. Cited from Li et al. [4]Back to article page