Megantara, Hamzah Pratama, Naura Anjanie, and Joeristanti Soelistyaningroem. “Frailty Predicts Clinical Outcomes After Left Atrial Appendage Closure: A Systematic Review and Meta-Analysis”. Indonesian Journal of Cardiology (October 25, 2026). Accessed November 7, 2026. https://ijconline.id/index.php/ijc/article/view/2239.