References:
1.Food labeling: health claims; soy protein and coronary heart disease. Food and Drug Administration, HHS. Final rule. Fed Regist.1999 Oct 26;64(206):57700-33. http://www.ncbi.nlm.nih.gov/pubmed/11010706
2.Crouse JR III, Morgan T, Terry JG, Ellis J, Vitolins M, Burke GL. A randomized trial comparing the effect of casein with that of soy protein containing varying amounts of isoflavones on plasma concentrations of lipids and lipoproteins. Arch Intern Med 1999;159:2070–6. http://archinte.jamanetwork.com/article.aspx?articleid=485126
3.Denysschen CA, Burton HW, Horvath PJ, Leddy JJ, Browne RW. Resistance training with soy vs whey protein supplements in hyperlipidemic males. J Int Soc Sports Nutr. 2009 Mar 11;6:8. http://www.ncbi.nlm.nih.gov/pubmed/19284589