Singla, A., Khattar, N., Nayyar, R., Mehra, S., Goel, H., & Sood, R. (2017). How practical is the application of percutaneous nephrolithotomy scoring systems? Prospective study comparing Guy’s Stone Score, S.T.O.N.E. score and the Clinical Research Office of the Endourological Society (CROES) nomogram. Arab J Urol.

Singla, Anurag, Nikhil Khattar, Rishi Nayyar, Shibani Mehra, Hemant Goel, and Rajeev Sood. "How Practical Is the Application of Percutaneous Nephrolithotomy Scoring Systems? Prospective Study Comparing Guy’s Stone Score, S.T.O.N.E. Score and the Clinical Research Office of the Endourological Society (CROES) Nomogram." Arab J Urol 2017.

Singla, Anurag, et al. "How Practical Is the Application of Percutaneous Nephrolithotomy Scoring Systems? Prospective Study Comparing Guy’s Stone Score, S.T.O.N.E. Score and the Clinical Research Office of the Endourological Society (CROES) Nomogram." Arab J Urol 2017.