Authors
Juliana Ivanova
Faculty of Medicine, Sofia University ‘St. Kliment Ohridski’, Sofia, Bulgaria
Emilia Petrova
Institute of Experimental Morphology, Pathology and Anthropology with Museum, Bulgarian Academy of Sciences, Sofia, Bulgaria
Kalina Kamenova
Faculty of Chemistry and Pharmacy, Sofia University ‘St. Kliment Ohridski’, Sofia, Bulgaria
Yordanka Gluhcheva
Institute of Experimental Morphology, Pathology and Anthropology with Museum, Bulgarian Academy of Sciences, Sofia, Bulgaria