1. WHO Scientific Group on the Assessment of Osteoporosis at Primary Health Care Level, Summary Meeting Report;World Health Organization,2004
2. Estrogens and osteoporosis;Keating,2000
3. Epidemiology, etiology and diagnosis of osteoporosis;Nancy;Am J Obstet Gynaecol,2006
4. Postmenopausal osteoporosis;Paves;JK Pract,2004
5. WHO Technical Report;Kanis,2007