Perestrelo, A.P., Miranda, G.F.L., Gonçalves, M.I., Belino, C. and Ballesteros, R. 2021. Chronic Copper Sulfate Poisoning. European Journal of Case Reports in Internal Medicine. 8, 2 (Feb. 2021). DOI:https://doi.org/10.12890/2021_002309.