Bai F, Cui L, Li B. Variation of Left Atrial Function in Different Stages of Mitral Regurgitation and Its Association With Guidelines-Based Surgical Indication. HSF [Internet]. 2020Oct.13 [cited 2024Nov.8];23(6):E746-E751. Available from: https://journal.hsforum.com/index.php/HSF/article/view/3191