yeantesa, putri, Hauda El Rasyid, Masrul Syafri, and Ricvan Dana Nindrea. “Diagnostic Value Of Qtc Dispersion And And Qt Dispersion Ratio Changes On Stress Test In Detecting Significance Of Coroner Lesion In Stable Angina Pectoris Patients”. Indonesian Journal of Cardiology 40, no. 2 (September 11, 2019). Accessed November 14, 2026. https://ijconline.id/index.php/ijc/article/view/921.