Evaluation of LEVITRA to Advance the Treatment of Erectile Dysfunction
Conditions
Interventions
- BEHAVIORAL: Levitra (Vardenafil, BAY38-9456)
- BEHAVIORAL: Levitra (Vardenafil, BAY38-9456)
- BEHAVIORAL: Levitra (Vardenafil, BAY38-9456)
- OTHER: No Education
Sponsor
Bayer