Churchev Stanislav, Angelov Todor, Vladimirov Borislav, Golemanov Branimir
'Department of Gastroenterology, University Hospital 'Tsaritsa Yoanna -ISUL', Medical University of Sofla, Sofla, Bulgaria.
Br J Hosp Med (Lond). 2023 Jan 2;84(1):1. doi: 10.12968/hmed.2022.0298. Epub 2023 Jan 3.