PT - JOURNAL ARTICLE ED - Vidt, Donald G. AU - Licht, Mark R. TI - Sildenafil (Viagra) for treating male erectile dysfunction DP - 1998 Jun 01 TA - Cleveland Clinic Journal of Medicine PG - 301--304 VI - 65 IP - 6 4099 - http://www.ccjm.org/content/65/6/301.short 4100 - http://www.ccjm.org/content/65/6/301.full SO - Cleve Clin J Med1998 Jun 01; 65 AB - Sildenafil, the first oral drug for treating male erectile dysfunction, appears effective and well tolerated. However, more time and experience will be needed to establish this drug’s true efficacy and safety.