Connor MJ, Genie MG, Burns D, Bass EJ, Gonzalez M, Sarwar N, Falconer A, Mangar S, Dudderidge T, Khoo V, Winkler M, Ahmed HU, Watson V. A systematic review of patients' values, preferences, and expectations for the treatment of metastatic prostate cancer. Eur Urol Open Sci. 2021 Dec 20;36:9-18. doi: 10.1016/j.euros.2021.10.003
Gracia Baena JM, Calaf Vall I, Zielonka M, Marsal Mora JR, Godoy P, Worner Diz F. Risk factors and comorbidities associated with severe aortic stenosis: a case-control study. Rev Clin Esp. 2021 May 23;221(5):249-57. doi: 10.1016/j.rce.2020.01.010.
Raghunathan K, Layton JB, Ohnuma T, Shaw AD. Observational research using propensity scores. Adv Chronic Kidney Dis. 2016 Nov;23(6):367-72. doi: 10.1053/j.ackd.2016.11.010