Tabry I, Villanueva L, Walker E. Patent Foramen Ovale Causing Refractory Hypoxemia after Off-Pump Coronary Artery Bypass: A Case Report. HSF [Internet]. 2005Feb.7 [cited 2024Apr.18];6(4):E74-E76. Available from: https://journal.hsforum.com/index.php/HSF/article/view/709