[Mechanism of action of bronchodilators].
D000628:Aminophylline / Q000494:pharmacology; D000818:Animals; D001993:Bronchodilator Agents / Q000494:pharmacology*; D004285:Dogs; D007545:Isoproterenol / Q000494:pharmacology; D008433:Mathematics; D009921:Metaproterenol / Q000494:pharmacology; D010627:Phenethylamines / Q000494:pharmacology; D012119:Respiration / Q000187:drug effects
D001993:Bronchodilator Agents; D010627:Phenethylamines; D000628:Aminophylline; D009921:Metaproterenol; D007545:Isoproterenol