@misc{indiciae1fc5db3f4def,
  title = {The heart in hyperthyroidism.},
  author = {G Howitt and D J Rowlands},
  year = {1967},
  doi = {10.1016/0002-8703(67)90159-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/6017579/},
  note = {Source identifier: 6017579}
}