Riviere, Cameron N., Nicholas A. Patronik, and Marco A. Zenati. “Prototype Epicardial Crawling Device for Intrapericardial Intervention on the Beating Heart”. The Heart Surgery Forum 7, no. 6 (January 4, 2005): E639-E643. Accessed April 19, 2024. https://journal.hsforum.com/index.php/HSF/article/view/626.