Hansson, C, H Rorsman, and E Rosengren. “Pronounced Formation of 5-OH-Dopa at Enzymatic Oxidation of DOPA in the Presence of Ascorbic Acid”. Acta Dermato-Venereologica 61, no. 2 (March 1, 1981): 147–148. Accessed February 24, 2025. https://medicaljournalssweden.se/actadv/article/view/10448.