Taseva, E. (2021) “IS THERE AN OUTBREAK OF TICK-BORNE ENCEPHALITIS IN PERNIK DISTRICT, BULGARIA? FOUR CASES REGISTERED FOR A PERIOD OF FOUR YEARS – CLINICAL MANIFESTATIONS AND EPIDEMIOLOGICAL RELATIONS”, PROBLEMS of Infectious and Parasitic Diseases, 49(1), pp. 19–25. doi:10.58395/pipd.v49i1.57.