Prysyazhnyuk, V. P. “Influence of Complex Treatment With Quercetin Inclusion on Cytokine Profile Indicators in Chronic Nonviral Hepatitis Patients”. Journal of Education, Health and Sport, vol. 7, no. 10, Oct. 2017, pp. 177-85, https://apcz.umk.pl/JEHS/article/view/5106.