Authors
M. Belitova
Department of Anesthesiology & Intensive Care, Medical University – Sofia, Bulgaria
S. Ivanov
Department of General Surgery, Medical University – Sofia, Bulgaria
Ts. Marinov
Department of Anesthesiology & Intensive Care, Medical University – Sofia, Bulgaria
T. Popov
Department of ENT, Medical University – Sofia, Bulgaria
R. Pandev
Department of General Surgery, Medical University – Sofia, Bulgaria
