article 10 beta adrenergic receptor stimulating agent Adrenergic beta-Agonists 8 propranolol 8 Animal 6 Support, Non-U.S. Gov't 6 Adrenergic beta Agonists 4 Adult 4 Isoproterenol 4 Male 4 Propranolol 4 adult 4 animal 4 catecholamine 4 dose response 4 human 4 isoprenaline 4 male 4 Acetonitrile 2 Adenylate Cyclase 2 Administration, Inhalation 2 Adrenal Cortex Hormones 2 Adrenergic alpha Agonists 2 Adrenergic alpha-Agonists 2 Adrenergic beta-Antagonists 2 Alkalinity 2 Alprenolol 2 Amines 2 Analytes 2 Animalia 2