Professor Dr Petar Pophristov, PhD

Professor Dr Nikola Botev Zlatkov, PhD

Professor Dr Nikolay Tsankov (left) and Dr Grisha Mateev (in the middle) during the World Congress of Dermatology and Venereology held in New York, 1992

From left to right: Professor Dr Nikolay Tsankov, Associate Professor Dr Miroslava Kadurina and Associate Professor Dr Kiril Pramatarov

From left to right: Dr Ivan Grozdev, Dr Valentina Broshtilova, Dr Svetlana Kavaklieva, Dr Todor Petkov