[1]
L. Marinova, I. Gaitanevska, D. Penchev, N. Korsun, and I. Christova, “OVERVIEW OF THE COVID-19 PANDEMIC AND ITS IMPACT ON THE MORBIDITY IN THE SOFIA CITY REGION DURING 2020-2021”, Probl Infect Parasit Dis, vol. 50, no. 2, pp. 19–25, Feb. 2023, doi: 10.58395/pipd.v50i2.91.