"Sexual Health Ruleset"(PDF). New GMS Contract Quality and Outcome Framework – Implementation Dataset and Business Rules. Primary Care Commissioning. 1 May 2009. Retrieved 19 June 2009. Summarised at
Stern LF, Simons HR, Kohn JE, Debevec EJ, Morfesis JM, Patel AA (2015). "Differences in Contraceptive Use Between Family Planning Providers and the U.S. Population: Results of a Nationwide Survey". Contraception. 91 (6): 464–9. doi:10.1016/j.contraception.2015.02.005. PMID25722074.
"Sexual Health Ruleset"(PDF). New GMS Contract Quality and Outcome Framework – Implementation Dataset and Business Rules. Primary Care Commissioning. 1 May 2009. Retrieved 19 June 2009. Summarised at
Stern LF, Simons HR, Kohn JE, Debevec EJ, Morfesis JM, Patel AA (2015). "Differences in Contraceptive Use Between Family Planning Providers and the U.S. Population: Results of a Nationwide Survey". Contraception. 91 (6): 464–9. doi:10.1016/j.contraception.2015.02.005. PMID25722074.
"Sexual Health Ruleset"(PDF). New GMS Contract Quality and Outcome Framework – Implementation Dataset and Business Rules. Primary Care Commissioning. 1 May 2009. Retrieved 19 June 2009. Summarised at