Author(s):
1. Zdenka Stojanovska, Faculty of Medical Sciences, Goce Delčev University Stip, Macedonia
2. Jana Djounova, National Centre of Radiobiology and Radiation Protection, Bulgaria
3. Ilia Tasev, Ministry of Health, Sofia, Bulgaria, Bulgaria
4. Kremena Ivanova, National Centre of Radiobiology and Radiation Protection, Sofia, Bulgaria, Bulgaria

Abstract