Endothelins
BACKGROUND: Endothelins play an important role in cardiovascular diseases, and       clinical trials have shown a reduction in endothelin levels after long-term       treatment of chronic heart failure with beta-adrenergic antagonists.
BACKGROUND:  @SUBJECT$  play an important  @PREDICAT$  in  @OBJECT$ , and       clinical trials have shown a reduction in endothelin levels after long-term       treatment of chronic heart failure with beta-adrenergic antagonists.