Effect of metoprolol CR/XL in chronic he
π
Article
π
1999
π
The Lancet
π
English
β 123 KB
Background Metoprolol can improve haemodynamics in chronic heart failure, but survival benefit has not been proven. We investigated whether metoprolol controlled release/extended release (CR/XL) once daily, in addition to standard therapy, would lower mortality in patients with decreased ejection fr