@misc{indiciae40498a5abb13,
  title = {Group therapy: what specific therapeutic advantages?},
  author = {J A Guttmacher and L Birk},
  year = {1971},
  doi = {10.1016/0010-440x(71)90037-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5117074/},
  note = {Source identifier: 5117074}
}