title: Double-blind trial of a new bronchodilator in asthmatic children.
mesh_terms: D000318:Adrenergic beta-Agonists / Q000627:therapeutic use; D000605:Amino Alcohols / Q000627:therapeutic use*; D001249:Asthma / Q000188:drug therapy*; D001993:Bronchodilator Agents / Q000494:pharmacology / Q000627:therapeutic use*; D002648:Child; D002986:Clinical Trials as Topic; D005260:Female; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D008297:Male; D009921:Metaproterenol / Q000627:therapeutic use*; D010627:Phenethylamines / Q000627:therapeutic use; D012129:Respiratory Function Tests; D013147:Spirometry
chemical_list: D000318:Adrenergic beta-Agonists; D000605:Amino Alcohols; D001993:Bronchodilator Agents; D010627:Phenethylamines; D009921:Metaproterenol