@misc{indiciae536ccef75b66,
  title = {Methylphenidate and stimulus control of avoidance behavior.},
  author = {R Stretch and N Skinner},
  year = {1967},
  doi = {10.1901/jeab.1967.10-485},
  url = {https://pubmed.ncbi.nlm.nih.gov/6050059/},
  note = {Source identifier: 6050059}
}