ThomasK, SmithNC, HegartyN, GlassJM. The Guy's stone score—grading the complexity of percutaneous nephrolithotomy procedures. Urology, 2011; 78:277–281.
2.
SmithA, AverchTD, ShahrourK, et al.A nephrolithometric nomogram to predict treatment success of percutaneous nephrolithotomy. J Urol, 2013; 190:149–156.
3.
OkhunovZ, FriedlanderJI, GeorgeAK, et al.S.T.O.N.E. nephrolithometry: Novel surgical classification system for kidney calculi. Urology, 2013; 81:1154–1159.
4.
LabadieK, OkhunovZ, AkhaveinA, et al.Evaluation and comparison of urolithiasis scoring systems used in percutaneous kidney stone surgery. J Urol, 2015; 193:154–159.