1 ) Prince M, Guerchet M, Prina M. Policy Brief for Heads of Government: The Global Impact of Dementia 2013-2050. London, Alzheimer's Disease International, 2013.
2 ) Hadjistavropoulos T, Herr K, Prkachin KM, et al. Pain assessment in elderly adults with dementia. Lancet Neurol 2014; 13: 1216-27.
3 ) AGS Panel on persistent pain in older person: The management of persistent pain in older person. J Am Geriatr Soc 2002; 50 (6 Suppl): S205-24.
4 ) Corbett A, Achterbera W, Husebo B, et al. An international road map to improve pain assessment in people with impaired cognition: the development of the pain assessment in impaired cognition (PAIC) meta-tool. BMC Neurol 2014; 14: 229.
5 ) Ferrell BA. Overview of aging and pain. In: Ferrell BR, Ferrell BA, editors. Pain in the Elderly. Seattle, IASP Press, 1996, pp1-10.