Iacona, R., V. Bonomo, M. Di Piazza, A. Sansone, M. Usala, S. Novo, and C. Pavone. “Five-Year Prospective Study on Cardiovascular Events, in Patients With Erectile Dysfunction and Hypotestosterone”. Archivio Italiano Di Urologia E Andrologia, Vol. 89, no. 4, Dec. 2017, pp. 313-5, doi:10.4081/aiua.2017.4.313.