1. Reported STDs in the United States, 2016 High Burden of STDs Threaten Millions of Americans In: Prevention CfDCa, editor. CDC Fact Sheet: Center for Disease Control and Prevention.
2. Jane Rowley SVH, Eline Korenromp, Nicola Low, Magnus Unemo, Laith J Abu-Raddad, R Matthew Chico, Alex Smolak, Lori Newman, Sami Gottlieb, Soe Thwin, Nathalie Brouteta and Melanie M Taylor (2019) Chlamydia, gonorrhoea, trichomoniasis and syphilis: global prevalence and incidence estimates, 2016. Bulletin of the World Health Organization: 1–43.
3. National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention. Center for Disease Control and Prevention. Atlanta, GA. Press release: New Warning Signs that Gonorrhea Treatment May be Losing Effectiveness. 2016 Sep 21. https://www.cdc.gov/nchhstp/newsroom/2016/2016-std-prevention-conference-press-release.html
4. Genetics of chromosomally mediated intermediate resistance to ceftriaxone and cefixime in Neisseria gonorrhoeae;S Zhao;Antimicrob Agents Chemother,2009
5. Mosaic-like structure of penicillin-binding protein 2 Gene (penA) in clinical isolates of Neisseria gonorrhoeae with reduced susceptibility to cefixime;S Ameyama;Antimicrob Agents Chemother,2002