1Chevalier, G., Sinatra, S. T., Oschman, J. L., Sokal, K., & Sokal, P. (2012). Earthing: Health implications. Journal of Environmental and Public Health, 2012, 291541.
2Li, Q., Morimoto, K., Kobayashi, M., Inagaki, H., Katsumata, M., Hirata, Y., & Kawada, T. (2008). Visiting a forest increases human natural killer activity. International Journal of Immunopathology and Pharmacology, 21(1), 117–127.
3Oschman, J. L., Chevalier, G., & Brown, R. (2015). The effects of grounding on inflammation. Journal of Inflammation Research, 8, 83–96.
4Park, B. J., Tsunetsugu, Y., Kasetani, T., Kagawa, T., & Miyazaki, Y. (2010). The physiological effects of Shinrin-yoku. Environmental Health and Preventive Medicine, 15(1), 18–26.
5Moher, D., Liberati, A., Tetzlaff, J., & Altman, D. G. (2009). Preferred reporting items for systematic reviews. PLoS Medicine, 6(7), e1000097.
6Sinatra, S. T., Oschman, J. L., Chevalier, G., & Sinatra, D. (2017). Electric nutrition. Alternative Therapies in Health and Medicine, 23(5), 8–16.
7Sackett, D. L., Rosenberg, W. M., Gray, J. A., Haynes, R. B., & Richardson, W. S. (1996). Evidence based medicine. BMJ, 312(7023), 71–72.