R-Wave Peak Time and Impaired Coronary Collateral Circulation in Chronic Total Occlusion. - Emlek, Nadir; Durak, Hüseyin; Çetin, Mustafa; Özyıldız, Ali Gökhan; Ergül, Elif; Yılmaz, Ahmet Seyda; Duman, Hakan (Journal of Clinical Medicine, 2026)