Figure 3From: Beneficial immunostimulatory effect of short-term Chlorella supplementation: enhancement of Natural Killercell activity and early inflammatory response (Randomized, double-blinded, placebo-controlled trial) Relationship among changed levels of NK cell activity and serum IFN-γ, IL-1β and IL-12. r :Pearson correlation coefficient. E: effector cells (peripheral blood mononuclear cells from subjects), T: target cells (K562 cells).Back to article page