[1]https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4299224/

[2]https://www.frontiersin.org/articles/10.3389/fimmu.2020.00021/full

[3]https://www.ncbi.nlm.nih.gov/pubmed/26770080

[4]https://www.ncbi.nlm.nih.gov/books/NBK92757/

[5]https://www.ncbi.nlm.nih.gov/pubmed/24525691

[6]https://ucdavis.pure.elsevier.com/en/publications/two-mushrooms-grifola-frondosa-and-ganoderma-lucidum-can-stimulat

[7]https://www.ncbi.nlm.nih.gov/pubmed/14630595

[8]https://www.ncbi.nlm.nih.gov/pubmed/23717767

[9]https://www.karger.com/Article/Abstract/72397

[10]https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3751262/

[11]https://www.sciencedirect.com/science/article/pii/S1021949816301727

[12]https://www.ncbi.nlm.nih.gov/pubmed/7997468

[13]https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2788179/

[14]https://www.cambridge.org/core/journals/proceedings-of-the-nutrition-society/article/glutathione-and-immune-function/39488A395CB25E88283204A938A4CBD9

[15]https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4754151/

[16]https://www.ncbi.nlm.nih.gov/pubmed/23949208

[17]https://www.ncbi.nlm.nih.gov/pubmed/18416885

[18]https://www.ncbi.nlm.nih.gov/pubmed/25314004

[19]https://onlinelibrary.wiley.com/doi/full/10.1111/j.1479-8425.2007.00262.x

[20]https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1479-8425.2006.00193.x

[21]https://www.ncbi.nlm.nih.gov/pubmed/15331379