Kaleva, Keti, Medical University of Varna, Bulgaria

• Vol 2 (2013): Suppl 4. A Scientific Student Conference "Healthcare Today and Tomorrow" 22 May 2013, Varna - Abstracts and Proceedings
  Студентска научна конференция "Здравеопазването-днес и утре", 22 Май 2013, Варна
  Abstract  PDF