@misc{indiciaeaec13d8fbdbe,
  title = {Food reinforcement.},
  author = {Leonard H Epstein and John J Leddy},
  year = {2005},
  doi = {10.1016/j.appet.2005.04.006},
  url = {https://pubmed.ncbi.nlm.nih.gov/16257474/},
  note = {Source identifier: 16257474}
}