title: Bronchodilating effect of oral theophylline-ephedrine combination.
mesh_terms: D000284:Administration, Oral; D000328:Adult; D001249:Asthma / Q000188:drug therapy*; D001993:Bronchodilator Agents; D002986:Clinical Trials as Topic; D004305:Dose-Response Relationship, Drug; D004311:Double-Blind Method; D004338:Drug Combinations; D004361:Drug Tolerance; D004809:Ephedrine / Q000627:therapeutic use*; D005260:Female; D005540:Forced Expiratory Flow Rates; D006801:Humans; D008297:Male; D010634:Phenobarbital / Q000627:therapeutic use; D013806:Theophylline / Q000097:blood / Q000627:therapeutic use*
chemical_list: D001993:Bronchodilator Agents; D004338:Drug Combinations; D013806:Theophylline; D004809:Ephedrine; D010634:Phenobarbital