@misc{indiciae025745df76ca,
  title = {High serum thyroxine concentrations in the elderly: possible causes.},
  author = {R Krakauer},
  year = {1977},
  doi = {10.1136/bmj.1.6066.972-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/851808/},
  note = {Source identifier: 851808}
}