Evaluation of the 6-Month Effect of Sacubitril-Valsartan Compared to ACEI and ARB on LVEF in Heart Failure Patients: A Double-Blind Randomized Clinical Trial

评估沙库巴曲缬沙坦与ACEI和ARB对心力衰竭患者左室射血分数（LVEF）6个月疗效的比较：一项双盲随机临床试验