Authors
Y. Vlahov
University Hospital Sofiamed, Medical Faculty, University „Sv. Kl. Ohridski“ – Sofia, Bulgaria
A-M. Borisova
University Hospital Sofiamed, Medical Faculty, University „Sv. Kl. Ohridski“ – Sofia, Bulgaria
M. Nikolova
University Hospital Sv. Ivan Rilski, Medical University – Sofia, Bulgaria
A. Kundurdjiev
University Hospital Sv. Ivan Rilski, Medical University – Sofia, Bulgaria
R. Ivanova
University Hospital Sv. Ivan Rilski, Medical University – Sofia, Bulgaria