Nooten, G. V., Y. V. Belleghem, H. V. Overbeke, F. Caes, K. François, M. D. Pauw, F. D. Rijcke, and J. Poelaert. “Redo Mitral Surgery Using the Estech Endoclamp”. The Heart Surgery Forum, vol. 4, no. 1, Mar. 2001, pp. E31-E33, https://journal.hsforum.com/index.php/HSF/article/view/6263.