“A Comparative Study of Percutaneous Nephrolithotripsy and Extracoeporeal Shockwave Lithotripsy For The Treatment of Lower Pole Kidney Stone of Size 10-20 mm”, J. Nepalgunj Med. College, vol. 18, no. 2, pp. 39–43, Aug. 2021, doi: 10.3126/jngmc.v18i2.38893.