NADEEM, M. A. .; WASEEM, T. .; MAHMOOD, K. .; IMAM, S. F. .; KHAN, A. H. . Differences in Clinical Profile and Echocardiographic Findings in Patients with Valvular Vs Non-valvular Origin of Atrial Fibrillation. Annals of King Edward Medical University, v. 5, n. 1, p. 44-47, 16 Jun. 2020.