Authors
D. Shtereva-Tzouni
Department of Health Economics, Faculty of Public Health "Prof. Tsekomir Vodenicharov, MD, DSc", Medical University, Sofia, Bulgaria
V. Mitreva
Department of Health Economics, Faculty of Public Health "Prof. Tsekomir Vodenicharov, MD, DSc", Medical University, Sofia, Bulgaria
E. Naseva
Department of Health Economics, Faculty of Public Health "Prof. Tsekomir Vodenicharov, MD, DSc", Medical University, Sofia, Bulgaria
