Inhibition of platelet aggregation by AZD6140, a reversible oral P2Y12 receptor antagonist, compared with clopidogrel in patients with acute coronary syndromes. - Storey RF; Husted S; Harrington RA; Heptinstall S; Wilcox RG; Peters G; Wickens M; Emanuelsson H; Gurbel P; Grande P; Cannon CP (Journal of the American College of Cardiology (JACC), 2007)