Double-blind as a BHAT.
Spodick
D H
DH
D000319:Adrenergic beta-Antagonists / Q000627:therapeutic use*; D004311:Double-Blind Method; D006801:Humans; D009203:Myocardial Infarction / Q000188:drug therapy*; D012107:Research Design
D000319:Adrenergic beta-Antagonists