A prospective study of the beneficial effects of dose optimization and customized instructions on patient satisfaction with sildenafil citrate (Viagra^®) for erectile dysfunction

Andrew R. Mccullough
- Department of Urology, New York University School of Medicine, New York, New York, USA
- Andrew R. McCullough is a member of the medical advisory board for, and receives honoraria and research grants from, Pfizer Inc.
- Reprint requests: Andrew R. McCullough, MD, Department of Urology, New York University School of Medicine, 150 East 32nd Street, 2nd Floor, New York, NY 10016.
Culley C. Carson
- Division of Urology, Department of Surgery, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
- Culley C. Carson is a paid consultant to, meeting participant and lecturer for, and study investigator who is partially funded by, Pfizer Inc.
Dimitrios Hatzichristou
- 2nd Department of Urology, Papageorgiou General Hospital, and Center for Sexual and Reproductive Health, Aristotle University of Thessaloniki, Thessaloniki, Greece.
- Dimitrios Hatzichristou is a meeting participant and lecturer for Pfizer Inc.