Pêgo-Fernandes, Paulo M., Alessandro Wasum Mariani, Fabio Fernandes, Barbara M. Ianni, Noedir Groppo Stolf, and Fabio Biscegli Jatene. “The Role of Videopericardioscopy in Evaluating Indeterminate Pericardial Effusions”. The Heart Surgery Forum 11, no. 1 (February 12, 2008): E62-E65. Accessed July 13, 2020. https://journal.hsforum.com/index.php/HSF/article/view/483.