Authors
V. Snegarova-Toneva
MDL Laborexpres 2000 Ltd – Varna
Department of Microbiologyand Vlrology, Medical University-Varna, Bulgaria
D. Niyazi
Department of Microbiologyand Vlrology, Medical University-Varna, Bulgaria
Laboratory of Microbiology, University Hospital "Sv. Marina" – Varna, Bulgaria
T. Stoeva
Department of Microbiologyand Vlrology, Medical University-Varna, Bulgaria
Laboratory of Microbiology, University Hospital "Sv. Marina" – Varna, Bulgaria
