@misc{indiciae54b17ab9ebe6,
  title = {Promoting mutual help groups among older persons.},
  author = {D Haber},
  year = {1983},
  doi = {10.1093/geront/23.3.251},
  url = {https://pubmed.ncbi.nlm.nih.gov/6873692/},
  note = {Source identifier: 6873692}
}