[The effects of beta-adrenergic blocking agents on the electrocardiogram of normal subjects].
D004562:Electrocardiography; D010627:Phenethylamines / Q000494:pharmacology*; D011433:Propranolol / Q000494:pharmacology*; D013565:Sympatholytics / Q000494:pharmacology*
D010627:Phenethylamines; D013565:Sympatholytics; D011433:Propranolol
Gli effetti del blocco beta-adrenergico sull'elettrocardiogramma di soggetti normali.