Atanasova, Borislava, Angel Dzhambov, Mariya Tokmakova, and Penka Atanasova. “Factors Associated With Changes in Global Cognitive Functioning in Patients With Atrial Fibrillation Aged Between 45 and 65 Years”. Bulgarian Neurology 27, no. 2 (August 28, 2026): 37–43. Accessed November 2, 2026. https://nevrologiabg.com/journal/index.php/neurology/article/view/238.