Plant, Jane and Tidey, Gill, 2005. Eating for Better Health. Virgin Books. See also, Campbell, T, Colin, Campbell, Thomas M. II, Robbins, John and Lyman Howard, 2006. The China Study: The Most Comprehensive Study of Nutrition Ever Conducted and the Startling Implications for Diet, Weight Loss and Longterm Health. Benbella Books; Robbins, John, 1987. A Diet for a New America . Stillpoint Publishing.
