Beta-blocker therapy for heart failure: the evidence is in, now the work begins.
Califf
R M
RM
O'Connor
C M
CM
D000319:Adrenergic beta-Antagonists / Q000627:therapeutic use*; D006333:Heart Failure / Q000188:drug therapy*; D006801:Humans; D008790:Metoprolol / Q000031:analogs & derivatives* / Q000627:therapeutic use
D000319:Adrenergic beta-Antagonists; D008790:Metoprolol