Alexander, John B. “After: A Doctor Explores What Near-Death Experiences Reveal about Life and Beyond by Bruce Greyson”. Journal of Scientific Exploration 35, no. 4 (January 16, 2022): 1081-1084. Accessed May 22, 2024. https://www.journalofscientificexploration.org/index.php/jse/article/view/2161.