@misc{indiciaed91636360a4e,
  title = {McLetchie on mass campaigns.},
  author = {C J Hackett},
  year = {1982},
  doi = {10.1177/004947558201200113},
  url = {https://pubmed.ncbi.nlm.nih.gov/7041374/},
  note = {Source identifier: 7041374}
}