Ibrahim, Muhammad Imran, Tariq Aziz, Tariq Mahmood Mirza, and Sajjad Hussain. 2014. “DOPPLER ULTRASOUND FOR ASSESSMENT OF PULSATILITY INDEX VARIATION OF MIDDLE CEREBRAL ARTERY IN INTRAUTERINE GROWTH RETARDATION: Doppler Ultrasound in Intrauterine Growth Retardation”. Pakistan Armed Forces Medical Journal 64 (3): 450-3. https://pafmj.org/PAFMJ/article/view/1321.