@misc{indiciae91e24fbb45b8,
  title = {Letter: Serum ferritin.},
  author = {A Jacobs and M Worwood},
  year = {1976},
  doi = {10.1056/nejm197604152941612},
  url = {https://pubmed.ncbi.nlm.nih.gov/1250319/},
  note = {Source identifier: 1250319}
}