BUPA - Impotence Fact Sheet: Concise factsheet on causes, symptoms and treatment of this condition. Factsheet can be downloaded in Acrobat format.
Impotence - Myths and Facts: Questions and answers and personal experiences of writers, Terry and Hilary Phillips.
National Kidney and Urologic Diseases Information Clearinghouse: Erectile Dysfunction: Fact sheet including illustrated information on the physiology of erection, causes of impotence, diagnosis, treatment and anticipated future treatment developments.
Performance Anxiety and Impotence: An explanation of sexual performance anxiety in men and impotence.
Postgraduate Medicine: Erectile Function and Dysfunction: Article details how an erection takes place and what can be done when it doesn't.
Sexual Dysfunction: Indian physician Dr. Sudhakar Krishnamurti provides information on a variety of sexual dysfunctions; site offers free consultation by email.
Spears and McLeod - Impotence Links: Provides a variety of links to articles concerning the disease.
The Erectile Dysfunction Information Bureau: For Irish men and their partners who experience erection problems.
Urolog: Provides urological information for urologists, general practitioners and non-professionals.
Urologic and Male Genital Diseases: The Swedish medical university, Karolinska Institutet. A veritable goldmine of information about anything to do with disorders of the male genitals
WebMD: A consumer health site for Impotence, written and reviewed by doctors.