Ivanov, Daniel, Tencho Tenev, and Elica Golkocheva-Markova. “PREVALENCE OF ANTI-HBC IN HBSAG-NEGATIVE POPULATION: SCREENING OF PATIENTS WITH UNSPECIFIED ACUTE HEPATITIS AND REVIEW OF THE LITERATURE”. PROBLEMS of Infectious and Parasitic Diseases 48, no. 1 (May 13, 2020): 33–38. Accessed June 8, 2025. https://pipd.ncipd.org/index.php/pipd/article/view/31.