T. N. Chapman

In vivo and in vitro investigation of the effects of sildenafil on rat cavernous smooth muscle.

W. Steers, K. Andersson, J. Tuttle, 2001, The Journal of urology.

The effect of sildenafil on apomorphine-evoked increases in intracavernous pressure in the awake rat.

W. Steers, K. Andersson, J. Tuttle, 1999, The Journal of urology.

Perioperative costs and charges of prostate brachytherapy and prostatectomy.

Dan Theodorescu, D. Theodorescu, James C Boyd, 2002, Urology.