@misc{indiciaebc10aa90af2c,
  title = {Operant conditioning in chronic illness.},
  author = {R S Fowler and W E Fordyce and R Berni},
  year = {1969},
  url = {https://pubmed.ncbi.nlm.nih.gov/5192248/},
  note = {Source identifier: 5192248}
}