@misc{indiciae6cd39503ccde,
  title = {Mutual-aid groups: an underutilized resource among the elderly.},
  author = {M A Lieberman},
  year = {1989},
  doi = {10.1007/978-3-662-40455-3\_9},
  url = {https://pubmed.ncbi.nlm.nih.gov/2514768/},
  note = {Source identifier: 2514768}
}