Ivanov, D., Tenev, T., & Golkocheva-Markova, E. (2020). 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(1), 33-38. https://doi.org/10.58395/pipd.v48i1.31 (Original work published 2020)