Department of Nephrology, Hematology end Gastroenterology, Medical University – Pleven, Clinic of Nephrology and Dialysis, Dr. G Stranski University Hospital - Pleven, Pleven, Bulgaria
Gergana V. Todorova
Department of Nephrology, Hematology end Gastroenterology, Medical University – Pleven, Clinic of Nephrology and Dialysis, Dr. G Stranski University Hospital - Pleven, Pleven, Bulgaria
Vasil V. Todorov
Department of Nephrology, Hematology end Gastroenterology, Medical University – Pleven, Clinic of Nephrology and Dialysis, Dr. G Stranski University Hospital - Pleven, Pleven, Bulgaria