1. Public Health England. Sexually Transmitted Infections (STIs): annual data tables. Available online at: https://www.gov.uk/government/statistics/sexually-transmitted-infections-stis-annual-data-tables.
2. Sexually transmitted infections and chlamydia screening in England;Public Health England;Heal Prot Rep,2015
3. Is Neisseria gonorrhoeae initiating a future era of untreatable gonorrhea?: detailed characterization of the first strain with high-level resistance to ceftriaxone;Ohnishi;Antimicrob Agents Chemother,2011
4. World Health Organization. Global action plan to control the spread and impact of antimicrobial resistance in Neisseria gonorrhoeae 2012. Available online at: http://www.who.int/reproductivehealth/publications/rtis/9789241503501/en/.
5. Public Health England. Guidance for the detection of gonorrhoea in England 2014. Available online at: https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/405293/170215_Gonorrhoea_testing_guidance_REVISED__2_.pdf.