Authors
At. Vlaykov
Department of Otorhinolaryngology, Trakia University, Medical Faculty, Stara Zagora, Bulgaria
At. Stefanov
Department of Otorhinolaryngology, Trakia University, Medical Faculty, Stara Zagora, Bulgaria
V. Velev
Department of Clinical Pathology, Trakia University, Medical Faculty, Stara Zagora, Bulgaria
M. Gulubova
Department of Clinical Pathology, Trakia University, Medical Faculty, Stara Zagora, Bulgaria
J. Ananiev
Department of Clinical Pathology, Trakia University, Medical Faculty, Stara Zagora, Bulgaria
