Emanuil Yordanov1, Iva Parvova2, Еmil Hristov1, Valentina Petkova3 1Faculty of Chemistry and Pharmacy, Sofia University “Saint Kliment Ohridski”, Bulgaria 2Clinic of Rheumatology, Department of Rheumatology, Medical University - Sofia, Bulgaria…
Deyan Rashkov, Tsvetelina Gadjeva, Desislava Rizova, Emanuil Yordanov, Christo Tzachev Faculty of Chemistry and Pharmacy, University of Sofia ‘‘St. Kliment Ohridski”