Taseva, E. et al. 2020. ANALYSIS OF CIRCULATING STRAINS, CAUSING INVASIVE LISTERIOSIS IN BULGARIA FOR TEN YEARS, 2010-2019. PROBLEMS of Infectious and Parasitic Diseases. 48, 2 (Oct. 2020), 27–34. DOI:https://doi.org/10.58395/pipd.v48i2.40.