title: Comment on ephedrine-phenobarbital formulations.
mesh_terms: D004338:Drug Combinations; D004809:Ephedrine / Q000008:administration & dosage*; D006801:Humans; D008171:Lung Diseases / Q000188:drug therapy; D010634:Phenobarbital / Q000008:administration & dosage*
chemical_list: D004338:Drug Combinations; D004809:Ephedrine; D010634:Phenobarbital