Metaproterenol.
D000318:Adrenergic beta-Agonists / Q000009:adverse effects; D000336:Aerosols; D001249:Asthma / Q000188:drug therapy; D002986:Clinical Trials as Topic; D004341:Drug Evaluation; D004361:Drug Tolerance; D006801:Humans; D007545:Isoproterenol / Q000627:therapeutic use; D009921:Metaproterenol / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D013997:Time Factors
D000318:Adrenergic beta-Agonists; D000336:Aerosols; D009921:Metaproterenol; D007545:Isoproterenol