@misc{indiciae0a4b9b92d010,
  title = {Thyroid function tests in domesticated animals: free thyroxine index.},
  author = {F A Kallfelz and R P Erali},
  year = {1973},
  url = {https://pubmed.ncbi.nlm.nih.gov/4748730/},
  note = {Source identifier: 4748730}
}