Left Internal Mammary Artery Versus Coronary Stents: Impact on Downstream Coronary Stenoses and Conduit Patency. - Zhang M; Guddeti RR; Matsuzawa Y; Sara JD; Kwon TG; Liu Z; Sun T; Lee SJ; Lennon RJ; Bell MR; Schaff HV; Daly RC; et al. (Journal of the American Heart Association, 2016)