@misc{indiciaec41279c63c91,
  title = {Possible noradrenergic involvement in training stimulus intensity.},
  author = {S F Crowe and K T Ng and M E Gibbs},
  year = {1991},
  doi = {10.1016/0091-3057(91)90153-s},
  url = {https://pubmed.ncbi.nlm.nih.gov/1784600/},
  note = {Source identifier: 1784600}
}