Is verapamil a beta-blocker?
D000889:Anti-Arrhythmia Agents / Q000494:pharmacology*; D006339:Heart Rate / Q000187:drug effects*; D006801:Humans; D007545:Isoproterenol / Q000494:pharmacology*; D008297:Male; D005082:Physical Exertion; D010919:Placebos; D011433:Propranolol / Q000494:pharmacology; D013565:Sympatholytics / Q000494:pharmacology*; D014665:Vasodilator Agents / Q000494:pharmacology*; D014700:Verapamil / Q000494:pharmacology
D000889:Anti-Arrhythmia Agents; D010919:Placebos; D013565:Sympatholytics; D014665:Vasodilator Agents; D011433:Propranolol; D014700:Verapamil; D007545:Isoproterenol