R. Shah, T. D. . Kandel, and D. Adhikari, “Retrograde Intrarenal Surgery versus Mini-Percutaneous Nephrolithotomy for Lower Calyceal Stones of ≤ 2 cm”, J Coll Med Sci-Nepal, vol. 19, no. 4, pp. 399–405, Dec. 2023, doi: 10.3126/jcmsn.v19i4.56590.