@misc{indiciaefefa89076b89,
  title = {Dr. John Singleton.},
  author = {A M Mitchell},
  year = {1969},
  doi = {10.5694/j.1326-5377.1969.tb92308.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4889481/},
  note = {Source identifier: 4889481}
}