title: Management of obstructive airways disease in pediatric patients with new beta2 sympathomimetic bronchodilators.
mesh_terms: D001249:Asthma / Q000188:drug therapy*; D002648:Child; D002675:Child, Preschool; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D006801:Humans; D007223:Infant; D009921:Metaproterenol / Q000627:therapeutic use*; D010919:Placebos; D013726:Terbutaline / Q000627:therapeutic use*
chemical_list: D010919:Placebos; D009921:Metaproterenol; D013726:Terbutaline