Krysińska, Anna, Małgorzata Wojnar, Adam Hermanowicz, and Ewa Matuszczak. “The Role of Saliva in the Process of Oxidative Stress – Review of Literature”. Journal of Education, Health and Sport 6, no. 12 (December 31, 2016): 730–738. Accessed April 26, 2024. https://apcz.umk.pl/JEHS/article/view/4126.