Agrup, G, P Agrup, T Andersson, B Falck, JA Hansson, S Jacobsson, H Rorsman, E Rosengren, and AM. Rosengren. 1977. “5-S-Cysteinyldopa in the Urine of Melanoma Patients”. Acta Dermato-Venereologica 57 (2):113-16. https://doi.org/10.2340/0001555557113116.