1. Endorphins at the approach of death;Carr;Lancet,1981
2. A neurobiological model for near-death experiences;Saavedra-Aguilar;J Near-Death Studies,1989
3. Childhood near-death experiences;Morse;Am J Dis Child,1986
4. Recollections of death;Sabom,1982
5. Dying to live: science and the near-death experience;Blackmore,1993