@misc{indiciaee7b4ed0e5d8a,
  title = {Psychological barriers.},
  author = {T C Skinner},
  year = {2004},
  doi = {10.1530/eje.0.151t013},
  url = {https://pubmed.ncbi.nlm.nih.gov/15487979/},
  note = {Source identifier: 15487979}
}