Comment on

• Intima-media thickening of common carotid arteries is a risk factor for severe erectile dysfunction in men with vascular risk factors but no clinical evidence of atherosclerosis.

  Bocchio M, Scarpelli P, Necozione S, Pelliccione F, Mhialca R, Spartera C, Francavilla F, Francavilla S. Bocchio M, et al. J Urol. 2005 Feb;173(2):526-9. doi: 10.1097/01.ju.0000148890.83659.c1. J Urol. 2005. PMID: 15643238
• Does sildenafil combined with testosterone gel improve erectile dysfunction in hypogonadal men in whom testosterone supplement therapy alone failed?

  Greenstein A, Mabjeesh NJ, Sofer M, Kaver I, Matzkin H, Chen J. Greenstein A, et al. J Urol. 2005 Feb;173(2):530-2. doi: 10.1097/01.ju.0000149870.36577.05. J Urol. 2005. PMID: 15643239 Clinical Trial.