Pavčnik, Dušan, et al. “Double BioDisk: A New Bioprosthetic Device for Transcatheter Closure of Atrial Septal Defects - a Feasibility Study in Adult Sheep”. Radiology and Oncology, vol. 46, no. 2, July 2012, https://radioloncol.com/index.php/ro/article/view/775.