Authors
L. Gaydarski
Department of Anatomy, Histology and Embryology, Medical University – Sofia, Bulgaria
D. Simeonov
Department of Anatomy, Histology and Embryology, Medical University – Sofia, Bulgaria
Department of Cardiology, University Hospital “Sv. Ekaterina”, Medical University – Sofia, Bulgaria
K. Petrova
Department of Anatomy, Histology and Embryology, Medical University – Sofia, Bulgaria