1. http://www.bashh.org/BASHH/About_BASHH/BASHH_Publications/Tendering_Information/BASHH/About_BASHH/Tendering_Information.aspx
2. Unprotected Nation. 2015. http://www.fpa.org.uk/sites/default/files/unprotected-nation-2015-full-report.pdf
3. Public Health England. Sexual and reproductive health profiles. http://fingertips.phe.org.uk/profile/sexualhealth
4. Department of Health. Integrated Sexual Health Services: National Service Specification: a suggested service specification for integrated sexual health services, 2013. https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/210726/Service_Specification_with_covering_note.pdf
5. BASHH/MEDFASH. Standards for the management of STIs, 2014. http://www.bashh.org/documents/Standards%20for%20the%20management%20of%20STIs%202014%20FINAL%20WEB.pdf