@misc{indiciae81866cdaac43,
  title = {[The utilization of iron through variable copper supply].},
  author = {E Grassmann and M Kirchgessner},
  year = {1973},
  doi = {10.1080/17450397309424262},
  url = {https://pubmed.ncbi.nlm.nih.gov/4750713/},
  note = {Source identifier: 4750713}
}