S. Sakhaei, M. Fallahkarkan, M. Razzaghi, B. Kazemzadeh Azad, and F. Aliakbari, “Retrograde-assisted Percutaneous Cystolitholapaxy versus Transurethral Cystolithotripsy with Holmium-YAG Laser, A Retrospective Study”, J laser Med Sci, vol. 10, no. Supplement, pp. S54-S58, Dec. 2019.