@misc{indiciaeba07885c9ccd,
  title = {Effects of assertion training on depression.},
  author = {P M Hayman and C S Cope},
  year = {1980},
  doi = {10.1002/jclp.6120360226},
  url = {https://pubmed.ncbi.nlm.nih.gov/7372828/},
  note = {Source identifier: 7372828}
}