1. Japanese Ministry of Health, Labour and Welfare Guidelines for Decision-Making on End-of-Life Care http://www.mhlw.go.jp/shingi/2007/05/dl/s0521-11a.pdf
2. Japanese Association for Acute Medicine, Japanese Society of Intensive Care Medicine, and Japanese Circulation Society Guidelines for end-of-life care in emergency and intensive care treatment http://www.jaam.jp/html/info/2014/pdf/info-20141104_02_01_02.pdf
3. Ethical issues in cardiopulmonary resuscitation;Holms;Resuscitation,2001
4. European resuscitation council guidelines for resuscitation 2015 section 11. The ethics of resuscitation and end-of-life decisions;Bossaert;Resuscitation,2015
5. American Heart Association American Heart Association Guidelines for CPR & ECC. Part 3 2015 https://eccguidelines.heart.org/index.php/circulation/cpr-ecc-guidelines-2/part-3-ethical-issues