Authors
Emil S. Kostov
Medical College, Medical University - Pleven
Evgeni E. Grigorov
Faculty of Pharmacy, Medical University - Varna
© 2022 Emil S. Kostov, Evgeni E. Grigorov, Hristina V. Lebanova, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.