Corresponding Author
Georgi Tchernev
Policlinic for Dermatology and Venereology, Saint Kliment Ohridski University, Sofia, Bulgaria
Medical Faculty, University Hospital Lozenetz, Sofia, Bulgaria
Address correspondence and reprint requests to: Georgi Tchernev, Associate Professor, Policlinic for Dermatology and Venereology, Saint Kliment Ohridski University and Medical Faculty, University Hospital Lozenetz, Koziak street 1, 1407 Sofia, Bulgaria, or email:
[email protected].
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