42.Greenberg ER, Baron JA, Karagas MR, Stukel TA, Nierenberg DW, Stevens MM, Mandel JS, Haile RW.Mortality associated with low plasma concentration of beta carotene and the effect of oral supplementation. JAMA. 1996 Mar 6;275(9):699-703. http://www.ncbi.nlm.nih.gov/pubmed/8594267
43.Bjelakovic G, Nikolova D, Gluud LL, Simonetti RG, Gluud C. Antioxidant supplements for prevention of mortality in healthy participants and patients with various diseases. Cochrane Database Syst Rev, 2012 Mar 14;3:CD007176. http://www.ncbi.nlm.nih.gov/pubmed/22419320
44.Singh RB, Rastogi SS, Verma R, Bolaki L, Singh R.Indian experiment with nutritional modulation in acute myocardial infarction. Am J Cardiol. 1992 Apr 1;69(9):879-85. http://www.ncbi.nlm.nih.gov/pubmed/1550016