title: Determination of 5-S-cysteinyldopa in human urine by direct injection in coupled-column high-performance liquid chromatography.
mesh_terms: D001897:Boronic Acids; D002851:Chromatography, High Pressure Liquid / Q000295:instrumentation / Q000379:methods*; D003548:Cysteinyldopa / Q000652:urine*; D004295:Dihydroxyphenylalanine / Q000031:analogs & derivatives*; D006801:Humans; D006863:Hydrogen-Ion Concentration; D000432:Methanol; D011485:Protein Binding
chemical_list: D001897:Boronic Acids; D003548:Cysteinyldopa; D004295:Dihydroxyphenylalanine; D000432:Methanol