1. Mathias SD, Kuppermann M, Liberman RF, Lipschutz RC, Steege JF. Chronic pelvic pain: prevalence, health-related quality of life, and economic correlates. Obstet Gynecol. 1996;87(3):321–7.
2. (RCOG) RCoOaG. Royal College of Obstetricians and Gynaecologists guidelines: The initial management of chronic pelvic pain. London (UK): Royal College of Obstetricians and Gynaecologists (RCOG).
https://www.guideline.gov/summaries/summary/37221/the-initial-management-of-chronic-pelvic-pain?q=pelvic+pain
(2012). Accessed 2 Aug 2017.
3. Nickel JC, Tripp D, Gordon A, Pontari M, Shoskes D, Peters KM, et al. Update on urologic pelvic pain syndromes: highlights from the 2010 international chronic pelvic pain symposium and workshop, august 29, 2010, Kingston, Ontario, Canada. Rev Urol. 2011;13(1):39.
4. Zondervan KT, Yudkin PL, Vessey MP, Dawes MG, Barlow DH, Kennedy SH. Prevalence and incidence of chronic pelvic pain in primary care: evidence from a national general practice database. BJOG Int J Obstet Gynaecol. 1999;106(11):1149–55.
5. Nwankwo T, Yoon SS, Burt V, Gu Q. Hypertension among adults in the United States: National Health and Nutrition Examination Survey, 2011-2012. NCHS Data Brief. 2013;133:1–8.