@misc{indiciae3092ec6460e7,
  title = {Classical conditioning. I. Its utilization in producing abnormal breathing in sheep.},
  author = {W E Caldwell},
  year = {1966},
  doi = {10.1080/00221309.1966.9710356},
  url = {https://pubmed.ncbi.nlm.nih.gov/6015174/},
  note = {Source identifier: 6015174}
}