@misc{indiciaef868419d0dec,
  title = {Classical conditioning of a complex skeletal response.},
  author = {E Gamzu and D R Williams},
  year = {1971},
  doi = {10.1126/science.171.3974.923},
  url = {https://pubmed.ncbi.nlm.nih.gov/5541660/},
  note = {Source identifier: 5541660}
}