5[3]Perttula E. Physician attitudes and behavior regarding erectile dysfunction in at risk patients from a rural community[J]. Postgrad Med J,1999,75(880):83~85.
6[4]Feldman HA, Goldstein I, Hatzichristou DG, et al. Impotence and its medical and psychosocial correlates: results of the Massachusetts male aging study[J]. J Urol,1994,151(1):54~61.
7[5]Sadovshy R, Miller T, Moskowitz M, et al. Three-year update of sildenafil citrate (VIAGRA) efficacy and safety[J]. Intl J Clin Pract,2001,55(2):115~128.
8[6]Laumann EO, Paik A, Rosen RC, et al. Sexual dysfunction in the United States: prevalence and predictors[J]. JAMA,1999,281(6):537~544.
9[7]Levine LA, Kloner RA. Importance of asking questions about erectile dysfunction[J]. Am J Cardiol, 2000, 86(11):1210~1213.
10Smith AD. Psychologic factors in the multidisciplinary evaluationand treatment of erectile dysfunctiou [J]. Urol Clin North Am,1988,15(1):41 ~51.