S. Lalchan, P. Sharma, S. KC, M. Gyawali, and A. Poudel, “Diagnostic Accuracy of Ultrasonography in Detecting Ureteric Calculi in Patients with Renal Colic Taking Non-Contrast Multidetector Computerized Tomography of Kidney, Ureter, and Bladder (CT KUB) as the Gold Standard”, Nep J Med Sci, vol. 7, no. 1, pp. 60–65, Jan. 2022.