Balkhy, H. H., P. D. Chapman, and S. E. Arnsdorf. “Minimally Invasive Atrial Fibrillation Ablation Combined With a New Technique for Thoracoscopic Stapling of the Left Atrial Appendage: Case Report”. The Heart Surgery Forum, vol. 7, no. 6, Jan. 2005, pp. 353-5, doi:10.1532/HSF98.2004-1093.