Article citation: Covas M-I, Nyyssönen K, Poulsen HE, Kaikkonen J, Zunft H-JF, Kiesewetter H, et al. The Effect of Polyphenols in Olive Oil on Heart Disease Risk Factors A Randomized Trial Olive Oil Polyphenols and Heart Disease Risk. Ann Intern Med. 2006;145(5):333–41.
Link to view/access: http://annals.org/aim/article/727945/effect-polyphenols-olive-oil-heart-disease-risk-factors-randomized-trial