Ali, Nasir, et al. “Left Atrial Reduction Plasty and Sinus Rhythm Restoration in Patients Undergoing Mitral Valve Surgery With Chronic Atrial Fibrillation”. Pakistan Armed Forces Medical Journal, vol. 73, no. SUPPL-3, Dec. 2023, pp. S546-550, https://doi.org/10.51253/pafmj.v73iSUPPL-3.10935.