@misc{indiciaedeb87a8a2098,
  title = {Psychotherapeutic persistence.},
  author = {W M Wolff},
  year = {1967},
  doi = {10.1037/h0024857},
  url = {https://pubmed.ncbi.nlm.nih.gov/4383814/},
  note = {Source identifier: 4383814}
}