TY - GEN AU - Johnson,Nils P AU - Gould,K Lance TI - Fractional Flow Reserve Returns to Its Origins: Quantitative Cardiac Positron Emission Tomography SN - 1942-0080 PY - 2018///0813 KW - Coronary Angiography KW - Fractional Flow Reserve, Myocardial KW - Positron-Emission Tomography N1 - Publication Type: Editorial; Comment UR - https://doi.org/10.1161/CIRCIMAGING.116.005435 ER -