An examination of some  -adrenoreceptor stimulants for selectivity using the isolated trachea and atria of the guinea pig.
D000318:Adrenergic beta-Agonists / Q000008:administration & dosage / Q000494:pharmacology*; D000818:Animals; D001993:Bronchodilator Agents / Q000494:pharmacology*; D002082:Butylamines; D004305:Dose-Response Relationship, Drug; D004983:Ethanolamines; D005260:Female; D006168:Guinea Pigs; D006325:Heart Atria / Q000187:drug effects*; D007545:Isoproterenol / Q000494:pharmacology; D009921:Metaproterenol / Q000494:pharmacology; D010627:Phenethylamines; D010636:Phenols; D013329:Structure-Activity Relationship; D014132:Trachea / Q000187:drug effects*
D000318:Adrenergic beta-Agonists; D001993:Bronchodilator Agents; D002082:Butylamines; D004983:Ethanolamines; D010627:Phenethylamines; D010636:Phenols; D009921:Metaproterenol; D007545:Isoproterenol