[Comment on: Practical tips for the measurement of fractional flow reserve (FFR) (Turk Kardiyol Dern Ars 2011;39:433-435)].
[Comment on: Practical tips for the measurement of fractional flow reserve (FFR) (Turk Kardiyol Dern Ars 2011;39:433-435)]. Turk Kardiyol Dern Ars. 2012 Jan; 40(1):111; author reply 112.