title: Factors influencing observed beta-adrenergic receptor antagonism in guinea-pig trachea.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000494:pharmacology*; D000818:Animals; D002217:Carbachol / Q000494:pharmacology; D065098:Catechol O-Methyltransferase Inhibitors; D004305:Dose-Response Relationship, Drug; D004357:Drug Synergism; D004983:Ethanolamines / Q000494:pharmacology*; D005260:Female; D006168:Guinea Pigs; D007545:Isoproterenol / Q000037:antagonists & inhibitors / Q000494:pharmacology; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth / Q000187:drug effects; D010627:Phenethylamines / Q000494:pharmacology*; D010646:Phentolamine / Q000494:pharmacology; D012110:Reserpine / Q000494:pharmacology; D013015:Sotalol / Q000494:pharmacology*; D013449:Sulfonamides / Q000494:pharmacology; D014132:Trachea / Q000187:drug effects* / Q000201:enzymology
chemical_list: D000319:Adrenergic beta-Antagonists; D065098:Catechol O-Methyltransferase Inhibitors; D004983:Ethanolamines; D010627:Phenethylamines; D013449:Sulfonamides; D012110:Reserpine; D002217:Carbachol; D013015:Sotalol; D007545:Isoproterenol; D010646:Phentolamine