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Echocardiographic evaluation of left ventricular diastolic function improvement after interventional therapy in common left-to-right shunt congenital heart diseases：A selfcontrolled before-after trial
YUAN Longyu, HUANG Zhilin, LUO Jing, SUN Huichao, LIU Lingjuan, YUAN Yuxing, TIAN Jie
Chinese Journal of Evidence-Based Pediatrics . 2023, (3): 199 -203 .  DOI: 10.3969/j.issn.1673-5501.2023.03.007