@misc{indiciae5def2703a468,
  title = {Both response effort and current intensity affect self-stimulation train duration thresholds.},
  author = {R A Frank and H P Williams},
  year = {1985},
  doi = {10.1016/0091-3057(85)90269-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/3991763/},
  note = {Source identifier: 3991763}
}