@misc{indiciaeb89a4c298c84,
  title = {A practical dissertation on the "PD".},
  author = {T L Rehder and A J Ericson and W J Cady and S A Edwards},
  year = {1981},
  doi = {10.1177/106002808101500306},
  url = {https://pubmed.ncbi.nlm.nih.gov/7274035/},
  note = {Source identifier: 7274035}
}