Nakov Radislav, Sarafov Stayko, Nakov Ventsislav, Gospodinova Mariana, Tournev Ivailo
Clinic of Gastroenterology, Tsaritsa Yoanna University Hospital, Medical University of Sofia.
Clinic of Nervous Diseases, Alexandrovska University Hospital, Medical University of Sofia.
Eur J Gastroenterol Hepatol. 2020 May;32(5):664. doi: 10.1097/MEG.0000000000001655.