Joshi, B.R. et al. 2021. Determination of Gestational Age by Fetal Kidney Length Measurement After the 20th Week in Healthy Women With Uncomplicated Pregnancy in Tertiary Care Centre. Journal of Nepal Paediatric Society. 41, 3 (Dec. 2021), 380–386. DOI:https://doi.org/10.3126/jnps.v41i3.35604.