1. OECD. OECD Health Data 2011—Frequently Requested Data 2011 http://www.oecd.org/document/60/0, 3746, en_2649_33929_2085200_1_1_1, 00.html.
2. Standard and Poors. Global ageing 2010: an irreversible truth,2011
3. Public Debts: Nuts, Bolts and Worries;Eichengreen,2011
4. The prevalence of dementia in Europe;Hofman;Int J Epidemiol,1991
5. Epilogue;Launer;Neuroepidemiology,1992