1. Sies H, Stahl W, Sundquist AR. Antioxidant functions of vitamins. Vitamins E and C, beta-carotene, and other carotenoids. Ann N Y Acad Sci. 1992 Sep 30;669:7-20.
 
2. Eberhard Kronhausen and Phyllis Kronhausen with Harry B. Demopoulos, M.D., Formula for Life, William Morrow and Co., New York, 1989, p. 96.
 
3. Fletcher,-A-E; Breeze,-E; Shetty,-P-S Antioxidant vitamins and mortality in older persons: findings from the nutrition add-on study to the Medical Research Council Trial of Assessment and Management of Older People in the Community. Citation: Am-J-Clin-Nutr. 2003 Nov; 78(5): 999-1010

4. S.K. Gaby and V.N. Singh, "Vitamin C," – Vitamin Intake and Health: A Scientific Review, S.K. Gaby, A. Bendich, V. Singh and L. Machlin (eds.) Marcel Dekker, N.Y. 1991 p. 103-1043.

5. Traber MG and Packer L. Vitamin E: Beyond antioxidant function. Am J Clin Nutr 1995;62:1501S-9S.
 
6. Boshtam M, Rafiei M, Sadeghi K, Sarraf-Zadegan N. Boshtam M, Rafiei M, Sadeghi K, Sarraf-Zadegan N. Int J Vitam Nutr Res. 2002 Oct;72(5):309-14.
 
7. Munteanu A, Zingg JM, Azzi A. Anti-atherosclerotic effects of vitamin E--myth or reality? J Cell Mol Med. 2004 Jan-Mar;8(1):59-76.
 
8.Weinzweig, J; Tattini, C; Lynch, S; Zienowicz, R; Weinzweig, N; Spangenberger, A; Edstrom, L Investigation of the growth and metastasis of malignant melanoma in a murine model: the role of supplemental vitamin A. Plast-Reconstr-Surg. 2003 Jul; 112(1): 152-8; discussion 159-61
 
9. Maulik, N : Yoshida, T : Engelman, R M : Bagchi, D : Otani, H : Das, D K Dietary coenzyme Q(10) supplement renders swine hearts resistant to ischemia-reperfusion injury. Am-J-Physiol-Heart-Circ-Physiol. 2000 Apr; 278(4): H1084-90
 
10. L. Kiremidjian-Schumacher et al., "Supplementation with Selenium and Human Immune Cell Functions II: Effect on Cytotoxic Lymphocytes and Natural Killer Cells," Biol Trace Elem Res 41 (1994): 115-27
 
11. Van Schooten FJ, Nia AB, De Flora S, D'Agostini F, Izzotti A, Camoirano A, Balm AJ, Dallinga JW, Bast A, Haenen GR, Van't Veer L, Baas P, Sakai H, Van Zandwijk N. Department of Health Risk Analysis and Toxicology, Maastricht University, The Netherlands. Cancer Epidemiol Biomarkers Prev. 2002 Feb;11(2):167-75. Effects of oral administration of N-acetyl-L-cysteine: a multi-biomarker study in smokers.
 
12. F.V DeFeudis, ed, Gingko Biloba Extract (EGb 761): Pharacological Activities and Clinical Applications (Paris: Elsevier, 1991)
 
13. Online article: Ginkgo improves verbal recall November 2003. www.lef.org/whatshot/2003_11.htm#givr
 
14. Zhang M, Lee AH, Binns CW, Xie X Green tea consumption enhances survival of epithelial ovarian cancer. Int J Cancer. 2004 Nov 10;112(3):465.
 
15. Online document at: www.wholehealthmd.com/refshelf/substances_view/1,1525,10032,00.html