
Kristian Vigenin: Prof. Chirkov made a revolution in cardiac surgery, and his students are still saving human lives today
27/03/2025
Kristian Vigenin: We need the cooperation of our institutions so that the European prosecutor’s office can go all the way for “Chiren”
29/03/2025
Kristian Vigenin: Prof. Chirkov made a revolution in cardiac surgery, and his students are still saving human lives today
27/03/2025

