@misc{indiciaeaf0ded05e4f5,
  title = {Clinical biofeedback: a behavioral analysis.},
  author = {B T Engel},
  year = {1981},
  doi = {10.1016/0149-7634(81)90034-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/7301226/},
  note = {Source identifier: 7301226}
}