D. Paudel, D. Adhikari, and R. Devi Dhakal, “Moderate Hydronephrosis among Acute Ureteral Calculus on Ultrasonographic Imaging in a Tertiary Care Center in Nepal: A Descriptive Cross-sectional Study”, J Nepal Med Assoc, vol. 59, no. 244, pp. 1252–1255, Dec. 2021.