1. United Nations Department of Economic and Social Affairs (2021) World Population Prospects 2017 - Volume I: Comprehensive Tables. United Nations
2. Osteoporosis in Older Adults;Johnston;Med Clin North Am,2020
3. The Epidemiology and Pathogenesis of Osteoporosis;Rosen,2000
4. Osteoporosis and its complications;Varacallo;Med Clin North Am,2014
5. World-wide projections for hip fracture;Gullberg;Osteoporos Int,1997