2Benjamin D.Sachs.the false organic-psychogenic distinction and telated problems in the classification of erectile dysfunction[J].Int J Impot Res,2003,15(5):72-78.
4Braun M,Wassmer G,Klotz T,et al.Epidemiology of erectile dysfunction:results of the Cologne Male Survey[J].Int J Impot Res,2000,12(6):305-311.
5Shafic A.Injured external anal sphincter in erectile dysfunction[J].Androl,2001,33 (1):35-41.
6Lue TF.Neurogenic erectile dysfunction[J].Clin Auton Res,2001,11 (5):285-294.
7E L Rhoden,C Teloken,R Mafessoni et al.Is there any trlation between serum levels of total testosterone and the severity of eredtile dysfunction?[J].Int J Impot Res,2002,14(3):167-171.
8Levinson IP,Khalaf IM,Shaeer KZ,et al.Efficacy and safety of sildenafil citrate (Viagra) for the treatment of erectile dysfunction in men in Egypt and South Africa[J].Int J Impot Res,2003,15 (1):25-29.
9Pomara G,Morelli G,Pomara S,et al.Cardiovascular parameter changes in patients with erectile dysfunction using pde-5 inhibitors:a study with sildenafil and vardenafil[J].J Androl,2004,25(4):625-629.
10Chris,Mc Mahon.Comparison of Efficacy,safety,and Tolerability of On-Demand Tadalafil and Daily Dosed Tadalafil for the Treatment of erectile dysfunction[J].J Sex Med,2005,13(2):415-427.
