1. AKHMETELI, M. A. Epidemiology of endemic nephropathy. Endemic Nephropathy. Proceedings of the Second International Symposium on Endemic Nephropathy. November9–12, Sofia. pp.19–23. Sofia: Bulgarian Academy of Sciences.
2. Histopathologic and Electron Microscopic Studies on the Acute Toxicity of Ochratoxin A in Rats
3. ALERAJ, B. 1996.A study of the viral etiology of endemic nephropathy. Endemic Nephropathy in Croatia, Edited by: Čvorišćec, D. Čeovié, S. and Stavljenić-Rukavina, A. 23–29. Zagreb: Academia Croatica Scientianim Medicarum.
4. ANGUELIEVA, R. and MLADENOVA, S. Some element traces and the endemic nephropathy disease. Endemic Nephropathy. Proceedings of the Second International Symposium on Endemic Nephropathy. November9–12, Sofia. pp.241–243. Sofia: Bulgarian Academy of Sciences.