Mammad oglu, Elchin Guseynov. 2019. “Prevalence of Polymorphism (-174 G / C) of IL-6 Gene in Patients With Acute Brucellosis and Hepatobiliary System Damage”. Journal of Education, Health and Sport 9 (4):618-26. https://apcz.umk.pl/JEHS/article/view/7218.