Shevchuk, V., Ivanchov, P., Paryzkyi, I., Lakiichuk, Y. and Oksin, V. 2021. Establishment of a comprehensive system for the provision of medical services in Ukraine on market principles. Amazonia Investiga. 10, 43 (Aug. 2021), 158-167. DOI:https://doi.org/10.34069/AI/2021.43.07.16.