1. Alvarez-Fernandez B, Garcia-Ordonez MA, Martinez-Manzanares C, Gomez-Huelgas R (2005) Survival of a cohort of elderly patients with advanced dementia: nasogastric tube feeding as a risk factor for mortality. Int J Geriatr Psychiatry 20:363–370
2. Andrews M, Geppert CM (2007) Ethics. In: Gottschlich MM (Hrsg) The A.S.P.E.N. nutrition support core; curriculum. American Society for Parenteral and Enteral Nutrition, Silver Spring
3. Bacon D, Williams MA, Gordon J (2007) Position statement on laws and regulations concerning life-sustaining treatment, including artificial nutrition and hydration, for patients lacking decision-making capacity. Neurology 68:1097–1100
4. Beauchamp TL, Childress JF (2001) Principles of biomedical ethics, 5. Aufl. Oxford University Press, New York
5. Bickhardt J, Borasio GD, Dworzak H et al (2008) Vorsorge für Unfall, Krankheit und Alter durch Vollmacht, Betreuungsverfügung und Patientenverfügung, 10. Aufl. C.H. Beck und Bayerisches Staatsministerium der Justiz, München