"Bob Abernethy’s interview with Dr. Francis Collins, Director of the Human Genome Project at the National Institutes of Health". www.pbs.org. June 16, 2000.
David Wolfe (2013). “Longevity Now: A Comprehensive Approach to Healthy Hormones, Detoxification, Super Immunity, Reversing Calcification, and Total Rejuvenation”, p.20, North Atlantic Books