US Department of Health and Human Services. Centers for Disease Control and Prevention. Gonorrhea - CDC Fact Sheet (Detailed Version). https://www.cdc.gov/std/gonorrhea/stdfact-gonorrhea-detailed.htm. Updated September 26, 2017. Accessed December 2017.
US Department of Health and Human Services. Centers for Disease Control and Prevention. Gonococcal infections in adults and adolescents. https://www.cdc.gov/std/tg2015/gonorrhea.htm. Updated June 27, 2016. Accessed December 2017.
Planned Parenthood. Gonorrhea. https://www.plannedparenthood.org/learn/stds-hiv-safer-sex/gonorrhea/how-do-i-prevent-gonorrhea. Accessed December 2017.