S. F. Aranki, P. S. Shekar, A. Ehsan, M. Byrne-Taft and G. S. Couper, “Evaluation of the Enclose Proximal Anastomosis Device in Coronary Artery Bypass Grafting,” The Annals of Thoracic Surgery, Vol. 80, No. 3, 2005, pp. 1091-1095.
 R. S. Boova, C. Trace and B. G. Leshnower, “Initial Experience with Enclose Proximal Anastomotic Device During off-Pump Coronary Artery Bypass: An Alternative to Aortic Side Clamping,” Heart Surgery Forum, Vol. l9, No. 2, 2006, pp. E607-E611.
 M. P Vettath, “Vettath’s Anastamotic Obturator: A Simple Proximal Anastamotic Device,” The Heart Surgery Forum, 2003, Vol. 6, No. 5, Article ID: 73305. www.hsforum.com/vol6/issue5/2003-73305.html
 M. P Vettath, A. V. Kannan, C. S. Sheen Peeceeyen, A. K. Baburajan, A. Vahab and M. P. Sujith, “Vettath’s Anastamotic Obturator—Our Experience Of 269 Proximal Anastamosis,” Heart, Lung and Circulation, Vol. 13, No. 3, 2004, pp. 288-290. doi:10.1016/j.hlc.2004.02.019