@misc{indiciae047c8c127da0,
  title = {Normalized serum thyroxine and effective thyroxine ratio.},
  author = {F S Ashkar and A A Bezjian},
  year = {1973},
  doi = {10.1001/jama.1973.03220100054026},
  url = {https://pubmed.ncbi.nlm.nih.gov/4739387/},
  note = {Source identifier: 4739387}
}