Pavlova, M. et al. 2022. A RETROSPECTIVE STUDY ON THE DISTRIBUTION OF E. COLI ENTERITIS IN BULGARIA FOR A PERIOD OF TEN YEARS (2011-2020). PROBLEMS of Infectious and Parasitic Diseases. 50, 1 (Oct. 2022), 37–42. DOI:https://doi.org/10.58395/pipd.v50i1.84.