Doiron, R. C., M. Jaeger, C. M. Booth, X. Wei, and D. R. Siemens. “Is There a Measurable Association of Epidural Use at Cystectomy and Postoperative Outcomes? A Population-Based Study”. Canadian Urological Association Journal, vol. 10, no. 9-10, Oct. 2016, pp. 321-7, doi:10.5489/cuaj.3856.