Hussein Mohamed Abdel Aal, Ahmed, et al. “Validity of Fetal Kidney Length for Gestational Age Estimation Among Pregnant Women Doing Antenatal Care in October 6 University Hospital”. Journal of Neonatal Surgery, vol. 14, no. 21S, May 2025, pp. 1242-8, https://jneonatalsurg.com/index.php/jns/article/view/5658.