Author Details

Avdzhiyska, Milena, <!DOCTYPE html> <html> <head> </head> <body> <p><span style="font-family: 'times new roman', times, serif; font-size: 12pt;"><strong>Varna University of Medicine &ldquo;Prof. Dr. Paraskev Stoyanov&rdquo;, Medical Student</strong></span></p> </body>, Bulgaria