@misc{indiciaea955b4658020,
  title = {Signposts for the next century.},
  author = {T Porter-O'Grady},
  year = {1998},
  doi = {10.1097/00006247-199812000-00001},
  url = {https://pubmed.ncbi.nlm.nih.gov/9987358/},
  note = {Source identifier: 9987358}
}