@article{Saad_2021, title={UPDATE – 2021 Canadian Urological Association (CUA)-Canadian Uro Oncology Group (CUOG) castration-resistant prostate cancer (CRPC) guideline: What has changed since 2019?}, volume={15}, url={https://cuaj.ca/index.php/journal/article/view/7160}, DOI={10.5489/cuaj.7160}, number={2}, journal={Canadian Urological Association Journal}, author={Saad, Fred}, year={2021}, month={Feb.}, pages={11–2} }