He Lu, Du Ya-Juan, Cheng Ge-Sheng, Zhang Yu-Shun
Department of Structural Heart Disease, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.
J Geriatr Cardiol. 2019 Jun;16(6):490-494. doi: 10.11909/j.issn.1671-5411.2019.06.009.