1. The future of pensions and healthcare in a rapidly ageing world;Sikken,2009
2. World population prospects: the 2008 Revision Population Database;UNDES,2010
3. Oxley, H. Policies for healthy ageing: an overview. OECD Health Working Papers (42) 2010 (serial book monograph).
4. UNDESA. World Economic and Social Survey 2007: development in an ageing world 2007 (ref type: report).
5. Access to healthcare services makes a difference in healthy longevity among older Chinese adults;Danan;Social Science and Medicine,2009