Urologychannel.com: MDLocator
- Searchable by zip code, state, specialist, or treatment.
- http://locator.urologychannel.com/

Varicocele Resource Center
- Varicocele information, a national listing of physicians expert in varicocelectomy and a varicocele bulletin board.
- http://www.varicocelespecialists.com/

Impotence: Specialists and Resources
- Information about impotence, a national listing of physicians that specialize in impotence and an impotence message board.
- http://www.impotencespecialist.com/