title: Bronchodilator effect of oral salbutamol and an ephedrine+theophylline+hydroxyzine combination in asthmatic out-patients.
mesh_terms: D000293:Adolescent; D000328:Adult; D000420:Albuterol / Q000494:pharmacology / Q000627:therapeutic use*; D001249:Asthma / Q000188:drug therapy*; D002986:Clinical Trials as Topic; D004338:Drug Combinations; D004809:Ephedrine / Q000494:pharmacology / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D006919:Hydroxyzine / Q000494:pharmacology / Q000627:therapeutic use*; D007545:Isoproterenol / Q000494:pharmacology / Q000627:therapeutic use; D008297:Male; D008875:Middle Aged; D010919:Placebos; D012119:Respiration / Q000187:drug effects; D012138:Respiratory Therapy; D013268:Stimulation, Chemical; D013806:Theophylline / Q000494:pharmacology / Q000627:therapeutic use*
chemical_list: D004338:Drug Combinations; D010919:Placebos; D006919:Hydroxyzine; D013806:Theophylline; D004809:Ephedrine; D007545:Isoproterenol; D000420:Albuterol