NALAINI, F. ., . M. GHARIB SALEHI, and N. . FARSHCHIAN. “COMPARISON OF PULSATILITY INDEX (PI) AND RESISTIVE INDEX (RI) BETWEEN FETAL LEFT AND RIGHT MIDDLE CEREBRAL ARTERIES: Life Science -Medical Psychology”. International Journal of Life Science and Pharma Research, vol. 8, no. 2, Apr. 2018, pp. L6-L8, https://ijlpr.com/index.php/journal/article/view/310.