1. Wasson JH, Reda DJ, Bruskewitz RC, Elinson J, Keller AM, Henderson WG. The Veterans Affairs Cooperative Study Group on Transurethral Resection of the Prostate. A comparison of transurethral surgery with watchful waiting for moderate symptoms of benign prostatic hyperplasia. N Engl J Med. 1995. 332:75–79.
2. Cha JS, Park JK. Association between lower urinary tract symptoms and erectile dysfunction. Korean J Urol. 2005. 46:1023–1027.
3. Ahn TY, Lee DS, Kang W, Hong JH, Kim YS. Validation of an abridged Korean version of the International Index of Erectile Function (IIEF-5) as a diagnostic tool for erectile dysfunction. Korean J Urol. 2001. 42:535–540.
4. Sairam K, Kulinskaya E, McNicholas TA, Boustead GB, Hanbury DC. Sildenafil influences lower urinary tract symptoms. BJU Int. 2002. 90:836–839.
5. Feldman HA, Goldstein I, Hatzichristou DG, Krane RJ, McKinlay JB. Impotence and its medical and psychosocial correlates: results of the Massachusetts Male Aging Study. J Urol. 1994. 151:54–61.
6. Ledda A. Cigarette smoking, hypertension and erectile dysfunction. Curr Med Res Opin. 2000. 16:Suppl 1. S13–S16.
7. Lue TF, Tanagho EA. Physiology of erection and pharmacological management of impotence. J Urol. 1987. 137:829–836.
8. Hanbury DC, Sethia KK. Erectile function following transurethral prostatectomy. Br J Urol. 1995. 75:12–13.
9. Lindner A, Golomb J, Korczak D, Keller T, Siegel Y. Effects of prostatectomy on sexual function. Urology. 1991. 38:26–28.
10. Soderdahl DW, Knight RW, Hansberry KL. Erectile dysfunction following transurethral resection of the prostate. J Urol. 1996. 156:1354–1356.
11. Taher A. Erectile dysfunction after transurethral resection of the prostate: incidence and risk factors. World J Urol. 2004. 22:457–460.
12. Miner M, Rosenberg MT, Perelman MA. Treatment of lower urinary tract symptoms in benign prostatic hyperplasia and its impact on sexual function. Clin Ther. 2006. 28:13–25.
13. Poulakis V, Ferakis N, Witzsch U, de Vries R, Becht E. Erectile dysfunction after transurethral prostatectomy for lower urinary tract symptoms: results from a center with over 500 patients. Asian J Androl. 2006. 8:69–74.
14. Oh SY, Min KS, Choi SH. Effects of prostate volume and lower urinary tract symptoms on erectile function. Korean J Urol. 2007. 48:24–28.