According to the Chinese Guidelines for the Diagnosis and Management of Atrial Fibrillation, patients with heart failure are classified into: heart failure with reduced ejection fraction (HFrEF, LVEF ...
Status, Challenges, and Enhancement Strategies. Open Journal of Social Sciences, 14, 109-128. doi: 10.4236/jss.2026.143008 . Amidst the sweeping wave of global digital transformation in education, ...
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