Haralmbieva, Aleksandra, R. Krasteva, I. Aleksandrova, L. Lefterova, and M. Dimitrova. 2020. “Successful Intravenous Thrombolysis in a Patient With Non-Valvular Arterial Fibrillation With Gastrointestinal Bleeding”. Bulgarian Neurology 21 (1). Sofia, Bulgaria:38-41. https://www.nevrologiabg.com/journal/index.php/neurology/article/view/48.