@misc{indiciaee4e1668cca0e,
  title = {Why run a group?},
  author = {S A Hull},
  year = {1984},
  doi = {10.1136/bmj.288.6433.1811},
  url = {https://pubmed.ncbi.nlm.nih.gov/6428557/},
  note = {Source identifier: 6428557}
}