@misc{indiciaec4b14e064d39,
  title = {On timeless principles in changing times.},
  author = {C R Boyd},
  year = {1995},
  doi = {10.1097/00005373-199511000-00003},
  url = {https://pubmed.ncbi.nlm.nih.gov/7473995/},
  note = {Source identifier: 7473995}
}