Inhalation of beta-adrenergic blockers by asthmatics.
D001249:Asthma / Q000188:drug therapy*; D001986:Bronchial Spasm / Q000209:etiology; D004983:Ethanolamines / Q000627:therapeutic use*; D006801:Humans; D008297:Male; D011433:Propranolol / Q000627:therapeutic use*; D012138:Respiratory Therapy; D013565:Sympatholytics
D004983:Ethanolamines; D013565:Sympatholytics; D011433:Propranolol