Beta-blocking effect of practolol in asthmatics.
D000319:Adrenergic beta-Antagonists / Q000494:pharmacology; D001249:Asthma / Q000188:drug therapy*; D006801:Humans; D013565:Sympatholytics / Q000494:pharmacology / Q000627:therapeutic use*
D000319:Adrenergic beta-Antagonists; D013565:Sympatholytics