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Ticagrelor versus Clopidogrel in Symptomatic Peripheral Artery DiseaseHiatt, William R.; Fowkes, F. Gerry R.; Heizer, Gretchen; Berger, Jeffrey S.; Baumgartner, Iris; Held, Peter; Katona, Brian G.; Mahaffey, Kenneth W.; Norgren, Lars; Jones, W. Schuyler; Blomster, Juuso; Millegård, Marcus; Reist, Craig; Patel, Manesh R. · New England Journal of Medicine · 2016