title: Gas chromatographic determination of 3,4-dihydroxyphenylalanine (DOPA) in urine.
mesh_terms: D002849:Chromatography, Gas; D004295:Dihydroxyphenylalanine / Q000652:urine*; D006801:Humans; D013058:Mass Spectrometry
chemical_list: D004295:Dihydroxyphenylalanine