Scientific Online Resource System

Biomedical Reviews

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

Refbacks

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

George N. Chaldakov
Medical University of Varna
Bulgaria

Peter I. Ghenev
Medical University of Varna
Bulgaria

Matei Andonov
Medical University of Varna
Bulgaria

Kamen P. Valchanov
Medical University of Varna
Bulgaria

Anton B. Tonchev
Medical University of Varna
Bulgaria

Rouzha Pancheva
Medical University of Varna
Bulgaria

Font Size


|