1. Krane RJ: Sexual function and dysfunction. In Campbell’s Urology, edn 5. St. Louis: WB Saunders; 1986:700–735.
2. Lue TF: Physiology of penile erection and pathophysiology of erectile dysfunction and priapism. In Campbell’s Urology, edn 8. St. Louis: WB Saunders; 2002:1589–1613.
3. Broderick GA: Evaluation and nonsurgical management of erectile dysfunction and priapism. In Campbell’s Urology, edn 8. St. Louis: WB Saunders; 2002:1619–1663. This chapter outlines the history and contemporary evidence-based assessments of male sexual dysfunction. It is a good resource for residents learning to assess ED and for urologists looking to establish a specialty practice.
4. Britt DB, Kemmerer WT, Bobison JR: Penile blood flow determination by mercury strain gauge plethysmogrphy. Invest Urol 1971, 8:673–678.
5. Gaskell P: The importance of penile blood pressure in cases of impotence. Can Med Assoc J 1971, 105:1047–1051.