@misc{indiciaea2f01698d458,
  title = {Thyroid heart disease.},
  author = {C Symons},
  year = {1979},
  doi = {10.1136/hrt.41.3.257},
  url = {https://pubmed.ncbi.nlm.nih.gov/426973/},
  note = {Source identifier: 426973}
}