TY - GEN AU - Francis,Darrel P AU - Nallamothu,Brahmajee K TI - PCI Guided by Fractional Flow Reserve at 5 Years SN - 1533-4406 PY - 2019///0104 KW - Coronary Angiography KW - Fractional Flow Reserve, Myocardial N1 - Publication Type: Letter; Comment UR - https://doi.org/10.1056/NEJMc1813100 ER -