Chung, J.-W.; Kim, J. W.; Ha, Y.-S.; Choi, S. H.; Lee, J. N.; Kim, B. S.; Kim, H. T.; Yoo, E. S.; Kwon, T. G.; Kim, T.-H. The Effect of Phosphodiesterase 5 Inhibitor on Biochemical Recurrence Following Radical Prostatectomy in Patients With Prostate Cancer. Urol J 2019, 16, 255-259.