Authors
St. Vylkanov
Department of Neurosurgery, Trakia University – Stara Zagora, Bulgaria
K. Trifonova
Department of Ophthalmology, Trakia University – Stara Zagora, Bulgaria
K. Slaveykov
First Department of Internal Diseases and General Medicine, Trakia University – Stara Zagora, Bulgaria
D. Dzhelebov
Department of Ophthalmology, Trakia University – Stara Zagora, Bulgaria
