title: Intravenous beta agonist in severe acute asthma.
mesh_terms: D000208:Acute Disease; D000319:Adrenergic beta-Antagonists / Q000008:administration & dosage*; D001249:Asthma / Q000188:drug therapy*; D006801:Humans; D007262:Infusions, Intravenous
chemical_list: D000319:Adrenergic beta-Antagonists