@misc{indiciae428478c88420,
  title = {Primary hyperparathyroidism: a prospective clinical study.},
  author = {D C Purnell and L H Smith and D A Scholz and L R Elveback and C D Arnaud},
  year = {1971},
  doi = {10.1016/0002-9343(71)90122-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/5575549/},
  note = {Source identifier: 5575549}
}