Abhinesh Saraf, Fozia Raza, Garjesh Singh Rai, and Swapnil Puranik, “Modified Left Ventricle Fetal Myocardial Performance Index: A cross sectional study in a tertiary care hospital”, Int. J. Heal. Clin. Res., vol. 5, no. 1, pp. 150–154, Jan. 2022.