Gupta, D., K. Devpura, and K. K. Agrawal. “Comparison of the Inferior Vena Cava Index and Inferior Vena Cava Collapsibility Index Obtained by Ultrasound As a Measure of Body Fluid Volume Status in Children With Nephrotic Syndrome”. International Journal of Contemporary Pediatrics, vol. 6, no. 3, Apr. 2019, pp. 1298-02, doi:10.18203/2349-3291.ijcp20192032.