Dobreva, E., Ivanov, I., Donchev, D., Ivanova, K., Hristova, R., Dobrinov, V., Dobrinov, V., Sabtcheva, S. and Kantardjiev, T. (2022) “In vitro Investigation of Antibiotic Combinations against Multi- and Extensively Drug-Resistant Klebsiella pneumoniae”, Open Access Macedonian Journal of Medical Sciences, 10(B), pp. 1308–1314. doi: 10.3889/oamjms.2022.8934.