- Vardenafil improves ejaculation success rates and self-confidence in men with erectile dysfunction due to spinal cord injury. Giuliano, F., Rubio-Aurioles, E., Kennelly, M., Montorsi, F., Kim, E.D., Finkbeiner, A.E., Pommerville, P.J., Colopy, M.W., Wachs, B.H. Spine (2008)









