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Scripta Scientifica Medica

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About The Authors

Tatyana Mateva
Medical University of Varna
Bulgaria

Department of Hygiene and Epidemiology, Faculty of Public Health

Ivan Enev
Medical University of Varna
Bulgaria

Department of Hygiene and Epidemiology, Faculty of Public Health

Boyko Matev
Medical University of Varna
Bulgaria

Department of Hygiene and Epidemiology, Faculty of Public Health

Teodora Dimitrova
Medical University of Varna
Bulgaria

Faculty of Public Health

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