Centers for Disease Control and Prevention. 2015 Sexually Transmitted Diseases Treatment Guidelines. Diseases characterized by urethritis and cervicitis. http://www.cdc.gov/std/tg2015/urethritis-and-cervicitis.htm. Updated June 4, 2015. Accessed October 2016.
Lentz G, Lobo R, Gershenson D, Katz V. Comprehensive Gynecology, 6th ed. 2013. Mosby.