Puzzolo, Domenico, Antonio Micali, Antonina Pisani, Daniele Bruschetta, Biagio Ricciardi, and Ilario Carella. 2015. “Embryological Considerations on a Case of Coexistence of Persistent Left Superior Vena Cava and Partially Left Inferior Vena Cava”. Italian Journal of Anatomy and Embryology 119 (1):159. https://oajournals.fupress.net/index.php/ijae/article/view/2512.