Authors
Department of Orthopedics and Traumatology, UMHAT Kaneff – Ruse, Bulgaria
P. Parashkevova
Department of Public Health and Social Work, Faculty of Public Health and Health Care, “Angel Kanchev” University – Ruse, Bulgaria
© 2022 Y. Andonov, P. Parashkevova, published by Sofia Medical University
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.