title: The assay of ephedrine.
mesh_terms: D002849:Chromatography, Gas; D004304:Dosage Forms; D004341:Drug Evaluation; D004809:Ephedrine / Q000032:analysis* / Q000592:standards; D007391:International Cooperation; D008722:Methods
chemical_list: D004304:Dosage Forms; D004809:Ephedrine