Cryonics: Reaching for Tomorrow, Alcor Life Extension Foundation, Tucson, AZ, December 1993, 1998, page 25. Based closely on images in the original source: Michael G. Darwin, “The Anabolocyte: A Biological Approach to Repairing Cryoinjury,” Life Extension Magazine: A Journal of the Life Extension Sciences 1(July/August 1977):80-83.