title: Isolation of 2-S-cysteinyldopa and 2,5-S,S-dicysteinyldopa from the urine of patients with melanoma.
mesh_terms: D003548:Cysteinyldopa / Q000652:urine*; D004295:Dihydroxyphenylalanine / Q000031:analogs & derivatives*; D006801:Humans; D008545:Melanoma / Q000652:urine*; D009362:Neoplasm Metastasis
chemical_list: D003548:Cysteinyldopa; D004295:Dihydroxyphenylalanine