1. Non-surgical treatment as an alternative method for treating benign thyroid nodules (Kalinkova M., Terzieva K., Kalinkova I.)
2. Mask-associated Dry Eye (MADE) during Covid-19 pandemic (Т. Kirova, A. Kalaydzhiev, L. Voynov)
3. Saddle block anesthesia with 20 mg prilocaine hydrochloride 2% hyperbaric solution and intravenous fentanyl administration for transperineal MRI/US fusion-guided prostate biopsy (V. Dimov, O. Gatsev, Gancheva, K. Petkova, V. Todorova, E. Odiseeva, N. Petrov, I. Saltirov)
4. Efficacy and safety of minimally invasive percutaneous nephrolithotomy in patients with lower pole kidney stones 1-2 cm in diameter (О. Gatsev, V. Todorova, K. Hristov, P. Petrov, K.Petkova, I.Saltirov)
5. Efficacy and safety of emergency ureteroscopy as first-line treatment for patients with renal obstruction due to ureteral stones in the COVID-19 pandemic (V. Todorova, O. Gatsev, P. Petrov, K. Hristov, K. Petkova, I. Saltirov)
6. ESWL as a method for kidney decompression in the treatment of ureteral calculi during the Covid-19 pandemic (К. Hristov, P. Petrov, O. Gatsev, V. Todorova, K. Petkova, I. Saltirov)
7. Anatomical resections of the pancreas in locally advanced stomach cancer (El-Tal)
8. Minimally invasive transabdominal preperitoneal repair of incisional lumbar hernia (V. Kyosev, P. Ivanov, V. Mutafchiyski, G. Kotashev, K. Vasilev, G. Grigorov, D. Penchev, M. Gavrilov, Ts. Paycheva)
9. Enterocutaneous fistula in postoperative ventral hernia – clinical case (V. Sirakov, I. Ivanov, E. Eyupov, T. Trichkov, S. Murvakov, V. Ivanov, R. Kostadinov, V. Melnikov, V. Mihailov, N. Vladov)
10. Vascular and circulatory diseases of the retina associated with spent Covid-19- clinical cases (Т. Kirova, A. Kalaydzhiev, L. Voynov)