Osman, H., Yan, J. H., Chan, J., Munir, J., Alrasheed, S., Krishna, S. and Schieda, N. (2021) “Inter-observer and intra-observer agreement of Bosniak classification of cystic renal masses: Comparison between original version to version 2019 and effect of an online support calculator”, Canadian Urological Association Journal, 15(12), pp. 420–2. doi: 10.5489/cuaj.7369.