Schachner, Thomas, Simone Heiss, Daniel Zipponi, Alexandar Tzankov, Oliver Bernecker, Gunther Laufer, Johannes Bonatti, and Arthur Kroell. “Perivascular Treatment With Azathioprine Reduces Neointimal Hyperplasia in Experimental Vein Grafts”. The Heart Surgery Forum 9, no. 1 (December 15, 2005): E515-E517. Accessed April 16, 2021. https://journal.hsforum.com/index.php/HSF/article/view/511.