Fractional flow reserve and instantaneous wave-free ratio in coronary artery bypass grafting: a meta-analysis and practice review oleh R. G. Abbasciano, G. R. Layton, G. R. Layton, S. Torre, N. Abbaker, A. Copperwheat, C. Lucarelli, S. Bhandari, S. Nijjer, G. Mikhail, R. Casula, M. Zakkar, M. Zakkar, A. Viviano