Influence of the amount of myocardium subtended by a stenosis on fractional flow reserve. by Leone, A, De Caterina, A, Basile, E, Gardi, A, Laezza, D, Mazzari, M, Mongiardo, R, Kharbanda, R, Cuculi, F, Porto, I, Niccoli, G, Burzotta, F, Trani, C, Banning, A, Rebuzzi, A, Crea, F