MacDonald, L. P., M. L. Armstrong, K. J. Lehmann, M. R. Acker, and G. M. Langille. “Outcome Analysis of Patients With Peyronie’s Disease Who Elect for Vacuum Erection Device Therapy”. Canadian Urological Association Journal, vol. 14, no. 9, Mar. 2020, pp. E428-31, doi:10.5489/cuaj.6205.