@misc{indiciaeae98eb0cf2f9,
  title = {Self-assertion key to new roles.},
  author = {P E Butler},
  year = {1978},
  doi = {10.1016/s0001-2092(07)61365-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/249642/},
  note = {Source identifier: 249642}
}