Cantoro, Ubaldo et al. 2013. “Comparison of Tamsulosin Vs Tamsulosin Sildenafil Effectiveness in the Treatment of Erectile Dysfunction in Patients Affected by Type III Chronic Prostatitis”. Archivio Italiano Di Urologia E Andrologia 85 (3): 109-12. https://doi.org/10.4081/aiua.2013.3.109.