Retraction to: Z Kardiol (2004) 93:679–685 DOI 10.1007/s00392-004-0115-z

This article has been retracted as it represents a substantial duplication of the article: B. Gansera, F. Schmidtler, K. Spiliopoulos, I. Angelis, P. Neumaier-Prauser, B.M. Kemkes: Urgent or emergent coronary revascularization using bilateral internal thoracic artery after previous clopidogrel antiplatelet therapy. Thorac Cardiov Surg (2003) 51:185–189.