1. Demography;J Oeppen;Broken limits to life expectancy Science,2002
2. Biodemography of human ageing;J Vaupel;Nature,2010
3. The outlook for population growth;R Lee;Science,2011
4. Macroeconomic implications of population ageing and selected policy responses;DE Bloom;Lancet (London, England),2015
5. The burden of disease in older people and implications for health policy and practice;MJ Prince;The Lancet,2014