@misc{indiciaefc42093403fc,
  title = {Active and placebo effects in treatment of moderate and severe insomnia.},
  author = {L Carr-Kaffashan and R L Woolfolk},
  year = {1979},
  doi = {10.1037//0022-006x.47.6.1072},
  url = {https://pubmed.ncbi.nlm.nih.gov/41856/},
  note = {Source identifier: 41856}
}