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About The Authors

Nina Georgieva
Trakia University - Stara Zagora

Department of Nuclear Medicine, Medical Faculty

George Kalaydjiev


Clinic of Thoracic Surgery, National Oncology Hospital Sofia

Evelin Obretenov


Clinic of Thoracic
Surgery, University Hospital Stara Zagora

Katya Peeva


Department of Social Medicine and Health Management, Medical Faculty, Trakia University - Stara Zagora

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