Spontaneous Perforation of a Malignified Corrosive Stricture of the Esophagus and Subsequent Perforation of a Giant Duodenal Stress ULCUS
Yankov, G., Yamakova, Y., Vladimirov, B., Petkov, R., Mekov, E., Ilieva, V., Yanev, N., Petrov, D.
Analysis of Registered Cases of Acute Flaccid Paralysis in Stara Zagora District as a Part of Polio Eradication Strategy
Simeonova, I., Mladenova, I., Petrov, D.