Nafees, Muhammad, Muhammad Imran Ibrahim, and Muhammad Hamid Akram. “SENSITIVITY AND SPECIFICITY OF PULSATILITY INDEX UMBILICAL ARTERY AND MIDDLE CEREBRAL ARTERY IN DETECTING INTRA UTERINE GROWTH RESTRICTION: Pulsatility Index”. Pakistan Armed Forces Medical Journal 64, no. 1 (March 31, 2014): 161–166. Accessed July 15, 2024. https://pafmj.org/PAFMJ/article/view/611.