The Electronic Journal of Human Sexuality
http://www.ejhs.org/index.htm

National Sexual Violence Resource Center
123 North Enola Drive, Enola, PA 17025
Phone: 717.909.0710
Toll Free: 877.739.3895
http://www.nsvrc.org/

National Gay and Lesbian Taskforce
80 Maiden Lane Suite 1504, New York, NY 10038
Phone: 212.604.9830
http://www.thetaskforce.org/

The National Coalition for Lesbian, Gay, Bisexual, and Transgender Health
1325 Massachusetts Ave, NW, Suite 705
Washington, DC 20005
Phone: 202.558.6828
http://www.lgbthealth.net/

Department of Health and Human Services – Centers for Disease Control and Prevention
1600 Clifton Rd Atlanta, GA 30333
Phone: 800.CDC.INFO
http://www.cdc.gov/STD/

Erectile Dysfunction – Mayo Clinic
Phone: 507.284.5005
http://www.mayoclinic.com/health/erectile-dysfunction/DS00162