1. All Japan Hospital Association. The Surveillance Study Report of the Actual Condition and the Management in Nursing Home and Home of Elderly People with Gastrostomy 2011 http://www.ajha.or.jp/voice/pdf/other/110416_1.pdf
2. Rethinking the role of tube feeding in patients with advanced dementia;Gillick;N Engl J Med,2000
3. Tube feeding in patients with advanced dementia: a review of the evidence;Finucane;JAMA,1999
4. 2012 Position of the Japan Geriatrics Society on terminal care medical treatment for the elderly http://www.jpn-geriat-soc.or.jp/tachiba/jgs-tachiba2012.pdf
5. Understanding treatment attitudes toward dementia: differences among community residents and health care professionals;Miyata;Nihon Koshu Eisei Zasshi,2007