Goyal, L., S. Agarwal, S. Chandra, S. Chandra, and P. C. Srivastava. “Fetal Kidney Length: A Useful Parameter For Ultrasonographic Gestational Age Calculation: Fetal Kidney Length: A Useful Parameter For Ultrasonographic Gestational Age Calculation”. National Journal of Integrated Research in Medicine, vol. 7, no. 1, Jan. 2018, pp. 55-58, doi:10.70284/njirm.v7i1.1045.