@article{Grass2011copper,
  author = {Grass and Rensing and Solioz},
  title = {Metallic Copper as an Antimicrobial Surface},
  journal = {Applied and Environmental Microbiology},
  year = {2011},
  doi = {10.1128/AEM.02766-10},
  url = {https://doi.org/10.1128/AEM.02766-10}
}

@article{Salgado2013copper,
  author = {Salgado and Sepkowitz and John and others},
  title = {Copper Surfaces Reduce the Rate of Healthcare-Acquired Infections in the Intensive Care Unit},
  journal = {Infection Control & Hospital Epidemiology},
  year = {2013},
  doi = {10.1086/670207},
  url = {https://doi.org/10.1086/670207}
}