Beta adrenergic agonists.
D000284:Administration, Oral; D000318:Adrenergic beta-Agonists / Q000008:administration & dosage / Q000627:therapeutic use*; D000336:Aerosols; D001249:Asthma / Q000188:drug therapy*; D001993:Bronchodilator Agents / Q000008:administration & dosage / Q000627:therapeutic use; D055598:Chemical Phenomena; D002621:Chemistry; D004361:Drug Tolerance; D006801:Humans; D007263:Infusions, Parenteral
D000318:Adrenergic beta-Agonists; D000336:Aerosols; D001993:Bronchodilator Agents