Vicol, C.; Nollert, G.; Mair, H.; Samuel, V.; Lim, C.; Tiftikidis, M.; Eifert, S.; Reichart, B. Midterm Results of Beating Heart Surgery in 1-Vessel Disease: Minimally Invasive Direct Coronary Artery Bypass Versus Off-Pump Coronary Artery Bypass With Full Sternotomy. HSF 2005, 6, 341-344.