Lavoie, Callum A., Max Levine, Trevor D. Schuler, Timothy A. Wollin, and Shubha De. 2020. “Understanding Failures in Getting It Up: The Prevalence and Predictors of Failed Ureteral Access in Ureteroscopy”. Canadian Urological Association Journal 15 (3):E135-8. https://doi.org/10.5489/cuaj.6059.