Stoycheva, M., Geneva-Popova, M., Vasilev, P., Velyanova, T., Argirova, P., & Baltadjiev, I. (2024). ASSOCIATION OF CLINICAL PRESENTATION WITH SEVERITY AND OUTCOME OF COVID-19. PROBLEMS of Infectious and Parasitic Diseases, 51(2), 33-38. https://doi.org/10.58395/b7vrdc10