Morse, M; Conner, D; Tyler, D (June 1985). «Near-death experiences in a pediatric population. A preliminary report». Am. J. Dis. Child.139 (6): 595–600. doi:10.1001/archpedi.1985.02140080065034. PMID4003364.
Greyson, Bruce (2010). «Implications of near-death experiences for a postmaterialist psychology.». Psychology of Religion and Spirituality2 (1): 37–45. doi:10.1037/a0018548.
Morse, M; Conner, D; Tyler, D (June 1985). «Near-death experiences in a pediatric population. A preliminary report». Am. J. Dis. Child.139 (6): 595–600. doi:10.1001/archpedi.1985.02140080065034. PMID4003364.