“Echocardiographic Profile in Newly Diagnosed Patients with Obstructive Sleep Apnoea (OSA) and Normal LV Ejection Fraction: A Prospective Study”, GJMR, vol. 20, no. F4, pp. 1–7, Apr. 2020, Accessed: Aug. 13, 2026. [Online]. Available: https://medicalresearchjournal.org/index.php/GJMR/article/view/2026