ISBN 978-94-007-7500-8. Institute of Medicine. Dietary Reference Intakes: The Essential Guide to Nutrient Requirements. National Academies Press. 29 September 2006: 313–19
Diet St. Martin's Press, 2001, 2002 Atkins, Robert C. Dr. Atkins' Vita-Nutrient Solution: Nature's Answers to Drugs Simon and Schuster, 1997 Atkins, Robert