title: The safety of phenylpropanolamine.
mesh_terms: D002110:Caffeine / Q000009:adverse effects; D004338:Drug Combinations; D004809:Ephedrine / Q000009:adverse effects; D006801:Humans; D010665:Phenylpropanolamine / Q000009:adverse effects*
chemical_list: D004338:Drug Combinations; D010665:Phenylpropanolamine; D002110:Caffeine; D004809:Ephedrine