@misc{indiciae2a2fa40f38b9,
  title = {Operant conditioning and the modulation of cardiovascular function.},
  author = {B T Engel and N Schneiderman},
  year = {1984},
  doi = {10.1146/annurev.ph.46.030184.001215},
  url = {https://pubmed.ncbi.nlm.nih.gov/6424557/},
  note = {Source identifier: 6424557}
}