Paolo Tamellini, et al. “Non-Anastomotic Aneurysmal Degeneration of Great Saphenous Vein Graft A Case Report and Review of the Literature”. Annali Italiani Di Chirurgia, vol. 90, no. 1, Jan. 2019, pp. 83-87, https://annaliitalianidichirurgia.it/index.php/aic/article/view/924.