@misc{indiciae2521d68d1073,
  title = {[Electrocardiographic changes in primary hyperparathyroidism].},
  author = {M Eisner and J Koszarska and M Kurowski and K Pilarska},
  year = {1976},
  url = {https://pubmed.ncbi.nlm.nih.gov/1255939/},
  note = {Source identifier: 1255939}
}