%0 Journal Article %T Correction: Fractional flow reserve derived from microcatheters versus standard pressure wires: a stenosis-level meta-analysis %D 2019 %R 10.1136/openhrt-2018-000971corr1 %J Open Heart %P e000971corr1 %V 6 %N 2 %U https://openheart.bmj.com/content/openhrt/6/2/e000971corr1.full.pdf