title: Theophylline and chlorpheniramine in childhood asthma. Dose requirements for children 6 to 12 years (therapeutic orphans) and young adults 13 to 18 years of age receiving cromolyn sodium prophylaxis.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D001249:Asthma / Q000188:drug therapy*; D001993:Bronchodilator Agents / Q000627:therapeutic use; D002648:Child; D002744:Chlorpheniramine / Q000008:administration & dosage* / Q000627:therapeutic use; D002986:Clinical Trials as Topic; D004205:Cromolyn Sodium / Q000627:therapeutic use*; D004809:Ephedrine / Q000627:therapeutic use; D006634:Histamine H1 Antagonists / Q000627:therapeutic use; D006801:Humans; D010919:Placebos; D006255:Rhinitis, Allergic, Seasonal / Q000188:drug therapy; D013806:Theophylline / Q000008:administration & dosage* / Q000627:therapeutic use
chemical_list: D001993:Bronchodilator Agents; D006634:Histamine H1 Antagonists; D010919:Placebos; D002744:Chlorpheniramine; D013806:Theophylline; D004809:Ephedrine; D004205:Cromolyn Sodium