Konstantinov, Rumen, Medical University of Varna, Bulgaria

• Vol 27, No 3 (2019) - Epidemiology
  Transmission mechanism in COVID-19 and the management of the epidemic process
  Abstract  PDF
• Vol 29, No 2 (2021) - New books
  Presentation of the book "Epidemiological Chronicles of the Fight Against Infectious Diseases in Varna Region (1878-1944)”
  Details  PDF