@misc{indiciaed4bfd30a96fc,
  title = {Training groups.},
  author = {J R Marshall},
  year = {1971},
  doi = {10.1192/bjp.119.548.117-c},
  url = {https://pubmed.ncbi.nlm.nih.gov/5556653/},
  note = {Source identifier: 5556653}
}