Mohammad Wasim Awan, Waqas Yaqub, Saima Ather, Aneela Abid. 2015. “Evaluation of Ureteral Jets in Pregnancy by Colour Doppler: Effect of Patients’ Position”. Journal of Rawalpindi Medical College 19 (2). http://journalrmc.com/index.php/JRMC/article/view/276.