Huang, Jian, et al. “Grifola Frondosa Polysaccharide (GFP) Improves Neutrophils Immune Function of Heavy Load Exercising Rats”. Progress in Nutrition, vol. 20, no. 1-S, Aug. 2018, pp. 75-83, https://doi.org/10.23751/pn.v20i1-S.5507.