2022. COMPARATIVE ANALYSIS OF THE ECONOMIC INDICATORS OF THE ACTIVITIES OF MULTI-PROFILE HOSPITALS FOR ACTIVE TREATMENT IN BULGARIA AND THEIR CHANGE AS A RESULT OF THE COVID-19 PANDEMIC. MEDIS – International Journal of Medical Sciences and Research. 1, 3 (Sep. 2022), 49–54. DOI:https://doi.org/10.35120/medisij010349y.