Tanaka, Chiharu, Kazumi Akasaka, Ryohei Ushioda, Tomoki Nakatsu, Naohiro Wakabayashi, Hayato Ise, Hiroto Kitahara, Sentaro Nakanishi, Natsuya Ishikawa, and Hiroyuki Kamiya. “Examination of Anterior Leaflet Pseudoprolapse Causing Severe Mitral Regurgitation and Its Ideal Surgical Procedure”. The Heart Surgery Forum 23, no. 2 (April 13, 2020): E205-E211. Accessed December 5, 2021. https://journal.hsforum.com/index.php/HSF/article/view/2895.