Studies on antioxidant properties of polyphenol-rich extract from berries of Aronia melanocarpa in blood platelets. - Olas,B.; Wachowicz,B.; Nowak,P.; Kedzierska,M.; Tomczak,A.; Stochmal,A.; Oleszek,W.; Jeziorski,A.; Piekarski,J. (J Physiol Pharmacol, 2008)