M. A. Elkoushy, M. A. Luz, T. Benidir, S. Aldousari, A. G. Aprikian, and S. Andonian, “Clavien classification in urology: Is there concordance among post-graduate trainees and attending urologists?”, CUAJ, vol. 7, no. 5-6, pp. 179–84, Jun. 2013.