On-pump and off-pump coronary artery bypass grafting in patients with left main stem disease: a propensity score analysis.
Murzi M, Caputo M, Aresu G, Duggan S, Miceli A, Glauber M, Angelini GD. On-pump and off-pump coronary artery bypass grafting in patients with left main stem disease: a propensity score analysis. J Thorac Cardiovasc Surg. 2012 Jun; 143(6):1382-8.