Bock, Kenneth, and Nellie Sabin. 1997. The Road to Immunity; How To Survive and Thrive in a Toxic World. New York: Pocket Books.
Cohen, Misha, and Robert G. Gish. 2000. The Hepatitis C Help Book. New York: St. Martin's Press.
Diamond, Jared. 1997. Guns, Germs, and Steel. New York: W.W. Norton & Co.
Dolan, Matthew. 1999. The Hepatitis C Handbook. Berkeley: North Atlantic Books.
Ewald, Paul W. 2000. Plague Time: How Stealth Infections Cause Cancers, Heart Disease, and Other Deadly Ailments. New York: The Free Press.
Hening, Robin Marantz. 1994. A Dancing Matrix, How Science Confronts Emerging Viruses. New York: Vintage.
Lininger, Schuyler W., ed. 1999. The Natural Pharmacy. Roseville, Calif.: Prima Publishing.
Murray, Michael. 1996. Encyclopedia of Nutritional Supplements. Rocklin, Calif.: Prima Publishing.
Pelton, Ross, et al. 2000. Drug-Induced Nutrient Depletion Handbook. Hudson, Ohio: Lexi-Comp.