- https://www.nytimes.com/2015/12/08/health/cpr-survival-rates-can-differ-greatly-by-city.html?_r=0
- http://www.spiegel.de/international/world/doctor-sam-parnia-believes-resurrection-is-a-medical-possibility-a-913075.html
- http://www.npr.org/2013/02/21/172495667/resuscitation-experiences-and-erasing-death
- http://www.cbc.ca/radio/ideas/decoding-death-the-science-and-significance-of-near-death-experiences-1.3884084
