Bimrew A, Kefyalew M, Bahru yeabsira, Akalu S, Leis M, chun shannon, et al. Refractory unstable atrial fibrillation in a young Ethiopian patient with rheumatic heart disease: insights and challenges: Refractory unstable atrial fibrillation in a young Ethiopian patient with rheumatic heart disease: insights and challenges. PAJEC [Internet]. 2026 Mar. 24 [cited 2026 Mar. 25];4(1). Available from: https://journal.esep.org.et/index.php/esep/article/view/132