Maryi, S. S., I. D., and V. P. S. “Efficacy of Trans-Cerebellar diameter/abdominal Circumference Ratio Versus Head circumference/Abdominal Circumference Ratio in Prediction of Asymmetrical Intrauterine Growth Retardation”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 11, no. 9, Aug. 2022, pp. 2470-5, doi:10.18203/2320-1770.ijrcog20222312.