Nakajima, Tomomi, Dung Van Hung, and Yuji Hiramatsu. “Adult Obstructive Cor Triatriatum With Severe Mitral Regurgitation: A Case Report”. The Heart Surgery Forum 24, no. 3 (June 25, 2021): E578-E579. Accessed April 24, 2024. https://journal.hsforum.com/index.php/HSF/article/view/3871.