More Groups
Fewer Groups
More People
Fewer People
Silberstein, J. L.; Vickers, A. J.; Power, N. E.; Parra, R. O.; Coleman, J. A.; Pinochet, R; Touijer, K. A.; Scardino, P. T.; Eastham, J. A.; Laudone, V. P. Journal of Endourology (2012)