Clopidogrel use and long-term clinical outcomes after drug-eluting stent implantation. - Eisenstein EL; Anstrom KJ; Kong DF; Shaw LK; Tuttle RH; Mark DB; Kramer JM; Harrington RA; Matchar DB; Kandzari DE; Peterson ED; Schulman KA; et al. (JAMA, 2007)