Attitude towards a moderate aortic valve dysfunction during rheumatic mitral valve surgery: a retrospective cohort study - Liu, Chuang; Wang, Maozhou; Liu, Peiyi; Liu, Jing; Deng, Qiuju; Jiang, Wenjian; Zhang, Hongjia (Journal of Thoracic Disease; Vol 17, No 1 (January 24, 2025): Journal of Thoracic Disease, 2025)