title: A controlled trial of the use of single versus combined-drug therapy in the treatment of acute episodes of asthma.
mesh_terms: D000628:Aminophylline / Q000008:administration & dosage; D001249:Asthma / Q000188:drug therapy*; D002986:Clinical Trials as Topic; D004338:Drug Combinations; D004837:Epinephrine / Q000008:administration & dosage*; D006801:Humans
chemical_list: D004338:Drug Combinations; D000628:Aminophylline; D004837:Epinephrine