Aloosh, M., Couture, F., Fahmy, N., Elhilali, M.M. and Andonian, S. 2017. Assessment of urology postgraduate trainees’ competencies in flexible ureteroscopic stone extraction. Canadian Urological Association Journal. 12, 2 (Dec. 2017), 52–8. DOI:https://doi.org/10.5489/cuaj.4570.