Castorina, S., G. Cutroneo, D. Milardi, A. Favaloro, A. Duca, F. Speciale, and L. Magaudda. 2011. “A 3d and 4d Anatomical Study of the Human Heart: Analysis by Direct Volume Rendering Technique”. Italian Journal of Anatomy and Embryology 116 (2):41. https://oajournals.fupress.net/index.php/ijae/article/view/4615.