Scientific Online Resource System

Scripta Scientifica Medica

The PDF file you selected should load here if your Web browser has a PDF reader plug-in installed (for example, a recent version of Adobe Acrobat Reader).

If you would like more information about how to print, save, and work with PDFs, Highwire Press provides a helpful Frequently Asked Questions about PDFs.

Alternatively, you can download the PDF file directly to your computer, from where it can be opened using a PDF reader. To download the PDF, click the Download link above.

Fullscreen Fullscreen Off

Array
Article Tools
Email this article (Login required)
About The Authors

Darina Georgieva-Hristova
Medical university of Varna
Bulgaria

Department of neurology and neuroscience

Silva Andonova
Medical university of Varna
Bulgaria

Department of neurology and neuroscience

Evgeniya Kalevska
Medical university of Varna
Bulgaria

Department of neurology and neuroscience

Veselinka Nestorova
Medical university of Varna
Bulgaria

Department of professional disease

Ivan Dzedzev
Medical university of Varna
Bulgaria

Department of professional disease

Diana Radkova
Medical university of Varna
Bulgaria

Department of infectious, epidemiology and tropical medicine

Font Size


|