Peijian, Liu, J., & Guo, H. (2021). Concomitant Transapical Transcatheter Aortic Valve Replacement and Transapical Balloon Mitral Valvuloplasty to Treat Severe Aortic Stenosis with Severe Mitral Stenosis. The Heart Surgery Forum, 24(4), E624-E627. https://doi.org/10.1532/hsf.3851