Hosier, G. W., K. Visram, T. McGregor, S. Steele, N. J. Touma, and D. Beiko. “Ambulatory Percutaneous Nephrolithotomy Is Safe and Effective in Patients With Extended Selection Criteria”. Canadian Urological Association Journal, vol. 16, no. 4, Nov. 2021, pp. 89-95, doi:10.5489/cuaj.7527.