@misc{indiciae4f468013e158,
  title = {The experimental subject--a choice, not an echo.},
  author = {L K Bustad},
  year = {1970},
  doi = {10.1353/pbm.1970.0003},
  url = {https://pubmed.ncbi.nlm.nih.gov/4992486/},
  note = {Source identifier: 4992486}
}