title: Letter: Improved cation-exchange separation of asparagine and glutamine in the presence of other amino acids.
mesh_terms: D000596:Amino Acids / Q000032:analysis*; D001216:Asparagine / Q000302:isolation & purification / Q000652:urine*; D002411:Cation Exchange Resins; D002852:Chromatography, Ion Exchange / Q000379:methods; D005973:Glutamine / Q000302:isolation & purification / Q000652:urine*; D006801:Humans
chemical_list: D000596:Amino Acids; D002411:Cation Exchange Resins; D005973:Glutamine; D001216:Asparagine