[Department of Error] Department of Error
Mäkikallio T, Holm NR, Lindsay M, et al, for the NOBLE study investigators. Percutaneous coronary angioplasty versus coronary artery bypass grafting in treatment of unprotected left main stenosis (NOBLE): a prospective, randomised, open-label, non-inferiority trial. Lancet 2016; 388: 2743–52—In the results section of this Article, intravascular ultrasound of the left main coronary artery was done pre-PCI in 270 (47%) of 580 PCI-treated patients. These corrections have been made to the online version as of Nov 2, 2016, and the printed Article is correct.