NIAZ, Z.; RAZZAQ, A.; LATIF, M.; AZIZ, B.; NAZAR, T.; LUQMAN, S.; DIN, J.; AMAN, N. A.; SHAH, Z. H.; REHMAN, A.; ABAIDULLAH, S.; HASAN, M. Atrial Fibrillation in Mitral Stenosis and its correlation with age, sex & clinical symptoms. Annals of King Edward Medical University, v. 11, n. 3, 11 Apr. 2016.