Harizanov, R. et al. 2023. PREVALENCE OF PARASITIC PATHOLOGY AMONG HUMANS IN BULGARIA: A retrospective cohort study over a two-year period (2020 – 2021). PROBLEMS of Infectious and Parasitic Diseases. 50, 2 (Feb. 2023), 26–34. DOI:https://doi.org/10.58395/pipd.v50i2.93.