title: Comparison of GLC and high-pressure liquid chromatographic methods for analysis of urinary pseudoephedrine.
mesh_terms: D002849:Chromatography, Gas; D002851:Chromatography, High Pressure Liquid; D004809:Ephedrine / Q000652:urine*; D006801:Humans; D008722:Methods
chemical_list: D004809:Ephedrine