Asad Khan, Farhat Shireen, Auqib Ghulam Shah, Imran Mehboob Baig, Muhammad Abdul Mateen, Muhammad Shahid. Comparison of Various Techniques for Left Ventricular Ejection Fraction. Pakistan Journal of Medical & Health Sciences [Internet]. 2022 Sep. 22 [cited 2024 Nov. 21];16(07):817. Available from: https://mail.pjmhsonline.com/index.php/pjmhs/article/view/2412