@misc{indiciaebf97060a7b9a,
  title = {[Self-help and self-help groups. Self-help and outside help in balance].},
  author = {J Matzat},
  year = {1994},
  url = {https://pubmed.ncbi.nlm.nih.gov/8136976/},
  note = {Source identifier: 8136976}
}