Sharma, D. D., and K. C. Chandnani. “Clinical Study of IUGR Cases and Correlation of Doppler Parameters With Perinatal Outcome”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 5, no. 12, Dec. 2016, pp. 4290-6, doi:10.18203/2320-1770.ijrcog20164330.