KC SR, Timilsina BR, Upadhyay HP, Devkota G, Shah R, Lamichanne N. Sildenafil is Safe and Effective for the Treatment of Lower Ureteric Stone with no Major Side Effect. Birat J. Health Sci. [Internet]. 2019 Jan. 1 [cited 2024 Jul. 18];3(3):560-4. Available from: https://nepjol.info/index.php/bjhs/article/view/22190