1. http://www.un.org/en/development/desa/population/publications/pdf/ageing/Population AgeingAndDevelopment2015.pdf . Accessed 1 Mar 2016.
2. Morley GW. Treatment of uterine and vaginal prolapse. Clin Obstet Gynecol. 1996;39:959–69.
3. Luber KM, Boero S, Choe JY. The demographics of pelvic floor disorders: current observations and future projections. Am J Obstet Gynecol. 2001;184:1496–501.
4. Nygaard I, Thom DH, Calhoun EA. Chapter 3: Urinary incontinence in women. In: Litwin MS, Saigal CS, editors. Urologic diseases in America. US Department of Health and Human Services, Public Health Service, National Institutes of Health, National Institute of Diabetes and Digestive and Kidney Diseases. Washington, DC: US Government Printing Office; 2007. p. 71–103. NIH Publication No 07–5512.
5. Rooney K, Kenton K, Mueller ER, FitzGerald MP, Brubaker L. Advanced anterior vaginal wall prolapse is highly correlated with apical prolapse. Am J Obstet Gynecol. 2006;195(6):1837–40.