Authors
Thoracic Surgery Clinic, UMHAT Kaspela – Plovdiv, Bulgaria
Department of Cardiovascular Surgery, Medical University – Plovdiv, Bulgaria
B. Yavorov
Thoracic Surgery Clinic, UMHAT Kaspela – Plovdiv, Bulgaria
Department of Cardiovascular Surgery, Medical University – Plovdiv, Bulgaria
D. Markov
Department of Clinical Pathology, UMHAT Pulmed – Plovdiv, Bulgaria
Department of General and Clinical Pathology, Medical University – Plovdiv, Bulgaria