Dayanand Paswan, Lipika Adhikari and Sandip Sarkar 2024. A study to observe the association of left ventricular ejection fraction and wall motion score index with duration of early systolic lengthening in patients with non-ST-elevation acute coronary syndrome. Asian Journal of Medical Sciences. 15, 7 (Jul. 2024), 61–67. DOI:https://doi.org/10.3126/ajms.v15i7.66108.