@article{santos_marino_mangrich_rezende_2012,  title={Optical (DRUV-VIS) and magnetic (EPR) behavior of synthetic melanins},  volume={15},  ISSN={1516-1439},  url={https://doi.org/10.1590/S1516-14392012005000028},  DOI={10.1590/S1516-14392012005000028},  number={2},  journal={Materials Research},  publisher={ABM, ABC, ABPol},  author={Santos, Júlio César Pereira dos and Marino, Cláudia Eliana Bruno and Mangrich, Antonio Salvio and Rezende, Edivaltrys Inayve Pissinati de},  year={2012},  month={Mar},  pages={209–212} }