Nursing care of 3 elderly patients undergoing mitral valve median valve surgery at the cusp of the heart after mitral valve replacement surgery
GAO Xin, WENG Fengxia, SANG Ming, JIANG Chunyan, WEI Jianhua, ZHOU Yuqiong
Chinese Journal of Nursing . 2022, (23): 2912 -2916 .  DOI: 10.3761/j.issn.0254-1769.2022.23.014