Haponiuk, Ireneusz, Maciej Chojnicki, Rados?aw Jaworski, Jacek Ju?ci?ski, Mariusz Steffek, and Lucyna Pa?kowska. “Delayed Closure of Multiple Muscular Ventricular Septal Defects in an Infant After Coarctation Repair and a Hybrid Procedure—A Case Report”. The Heart Surgery Forum 14, no. 1 (February 23, 2011): E67-E69. Accessed December 8, 2021. https://journal.hsforum.com/index.php/HSF/article/view/1206.