@misc{indiciaeabf4e8b57d03,
  title = {Cancer and extraversion.},
  author = {A COPPEN and M METCALFE},
  year = {1963},
  doi = {10.1136/bmj.2.5348.18},
  url = {https://pubmed.ncbi.nlm.nih.gov/14022906/},
  note = {Source identifier: 14022906}
}