Authors
Petar H. Uzov
Department of Cardiac Surgery, Heart and Brain Hospital, Medical University - Pleven, Pleven
Chavdar M. Ivanov
Department of Cardiac Surgery, Heart and Brain Hospital, Medical University - Pleven, Pleven
© 2022 Petar H. Uzov, Chavdar M. Ivanov, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.