@misc{indiciaec3f77e07de69,
  title = {Changing patterns in hyperparathyroidism.},
  author = {E W Friedman and A E Schwartz and R H Spiro},
  year = {1973},
  url = {https://pubmed.ncbi.nlm.nih.gov/4759800/},
  note = {Source identifier: 4759800}
}