2nd Department of Internal Medicine;
Democritus University of Thrace;
Alexandroupolis;
Greece;
Department of Endoscopic Surgery;
Democritus University of Thrace;
Alexandroupolis;
Greece;
1st Department of Internal Medicine;
Democritus University of Thrace;
Alexandroupolis;
Greece;
lst Department Surgery;
Democritus University of Thrace;
Alexandroupolis;
Greece;
2nd Department of Surgery;
Democritus University of Thrace;
Alexandroupolis;
Greece;
Department of Cardiology;
Democritus University of Thrace;
Alexandroupolis;
Greece;