@misc{indiciae24779fdf49c2,
  title = {John Ross Callahan.},
  author = {A L Morris},
  year = {1973},
  doi = {10.14219/jada.archive.1973.0347},
  url = {https://pubmed.ncbi.nlm.nih.gov/4574987/},
  note = {Source identifier: 4574987}
}