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Chandrasekhar et al. (2012). Indian Journal of Psychological Medicine

Bhatnagar et al. (2009). Journal of Ethnopharmacology

Sharma et al. (2018). Journal of Alternative and Complementary Medicine

Ambiye et al. (2013). Evidence-Based Complementary and Alternative Medicine

Wankhede et al. (2015). Journal of the International Society of Sports Nutrition