1. International Position Paper on Women’s Health and Menopause;Wenger,2002
2. National American Menopause Society. Menopause Practice: A Clinician’s Guide. Available at: http://www.menopause.org/edumaterials/cliniciansguide/cliniciansguide.htm. Accessed December 17, 2005
3. Report of a WHO Scientific Group,1996
4. Genes control the cessation of a woman’s reproductive life;Snieder;J Clin Endocrinol Metab,1998
5. Estrogen receptor polymorphism predicts the onset of natural and surgical menopause;Weel;J Clin Endocrinol Metab,1999