Thakker, D. D. V., and D. V. B. Kariya. “Assessment Of Left Ventricular Structural And Functional Indices By Echocardiography In Relation To The Haemoglobin Levels In Second Trimester Of Pregnancy: Assessment Of Left Ventricular Structural And Functional Indices”. National Journal of Integrated Research in Medicine, vol. 3, no. 3, Aug. 2012, pp. 7-10, doi:10.70284/njirm.v3i3.2021.