TCT-537 What can intracoronary pressure measurements tell us about flow reserve? Pressure-bounded CFR and its application to the randomized DEFER trial. - Zimmermann, Frederik; Pijls, Nico; De Bruyne, Bernard; Bech, Jan-Willem; van Schaardenburgh, Pepijn; Jimenez, Miriam; Gould, K. Lance; Johnson, Nils (Journal of the American College of Cardiology (JACC), 2016)