Opancina, V. D., Lara Bohoyo, J. J. ., Alcazar Perez, C. ., Todorovic, A., Opancina, M., Radojevic Marjanovic, R. ., & Vojinovic, R. (2021). FIRST CONFIRMED SARS-COV-2 DELTA VARIANT IN SERBIA . Medicinski časopis, 55(3). https://doi.org/10.5937/mckg55-33862