P2642Long-term outcomes of unprotected left main coronary artery bifurcation lesions treated by second-generation drug-eluting stent implantation: 1-stent vs. 2-stent strategy. (28th August 2018) - Osakada, K; Ohya, M; Kadota, K; Otsuru, S; Habara, S; Tada, T; Tanaka, H; Fuku, Y; Goto, T