Authors
Department of Cardiology, University Hospital “Sv. Ekaterina”, Medical University – Sofia, Bulgaria
L. Gaydarski
Department of Anatomy, Histology and Embryology, Medical University – Sofia, Bulgaria
G. Marinov
Clinic of Cardiology and Rheumatology, UMHAT “Prof. Dr. Stoyan Kirkovich”, Medical University – Stara Zagora, Bulgaria
V. Groudeva
Department of Diagnostic Imaging, University Hospital “Sv. Ekaterina”, Sofia University – Sofia, Bulgaria