Authors
R. Gancheva
Clinic of Rheumatology, University Hospital Sv. Iv. Rilski, Medical University – Sofia, Bulgaria
A. Kundurdjiev
Clinic of Nephrology, University Hospital Sv. Iv. Rilski, Medical University – Sofia, Bulgaria
G. Nikolova
Department of Chemistry and Biochemistry, Medical Faculty, Trakia University – Plovdiv, Bulgaria
M. Ivanova
Clinic of Rheumatology, University Hospital Sv. Iv. Rilski, Medical University – Sofia, Bulgaria
T. Kundurdjiev
Faculty of Public Health, Medical University – Sofia, Bulgaria
Z. Kolarov
Clinic of Rheumatology, University Hospital Sv. Iv. Rilski, Medical University – Sofia, Bulgaria
V. Gadjeva
Department of Chemistry and Biochemistry, Medical Faculty, Trakia University – Plovdiv, Bulgaria