Jeremiah B*, Mukhtar Z, Ketaren AP, Raynaldo AH, Haykal TB & Hasan H 2022. ASSESSMENT OF GLOBAL LONGITUDINAL STRAIN AS A PREDICTOR OF LESION SIGNIFICANCE IN STABLE CORONARY HEART DISEASE PATIENTS WITH PRESERVED EJECTION FRACTION AT ADAM MALIK HOSPITAL MEDAN. International Journal of Research Science and Management. 9, 2 (Feb. 2022), 8–13.