@misc{indiciaeaac98bae31b3,
  title = {Facial expression during induced pain.},
  author = {K D Craig and C J Patrick},
  year = {1985},
  doi = {10.1037/0022-3514.48.4.1089},
  url = {https://pubmed.ncbi.nlm.nih.gov/3989673/},
  note = {Source identifier: 3989673}
}