title: The rate of onset of beta adrenergic blockade by the optical isomers of alprenolol.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000494:pharmacology; D000605:Amino Alcohols / Q000494:pharmacology*; D000818:Animals; D006168:Guinea Pigs; D006325:Heart Atria; D066298:In Vitro Techniques; D007545:Isoproterenol / Q000037:antagonists & inhibitors; D007700:Kinetics; D009119:Muscle Contraction / Q000187:drug effects*; D009994:Osmolar Concentration; D010646:Phentolamine / Q000494:pharmacology; D011941:Receptors, Adrenergic; D013237:Stereoisomerism; D013565:Sympatholytics / Q000494:pharmacology*; D013997:Time Factors; D014132:Trachea
chemical_list: D000319:Adrenergic beta-Antagonists; D000605:Amino Alcohols; D011941:Receptors, Adrenergic; D013565:Sympatholytics; D007545:Isoproterenol; D010646:Phentolamine