@misc{indiciae6a7b1dd1dbf4,
  title = {Catecholamine melanins. Structural changes induced by copper ions.},
  author = {K B Stepień and J P Dworzański and B Bilińska and M Porebska-Budny and A M Hollek and T Wilczok},
  year = {1989},
  doi = {10.1016/0167-4838(89)90134-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/2546609/},
  note = {Source identifier: 2546609}
}