@misc{indiciae6a9a86986b46,
  title = {Umbrellas and lions.},
  author = {D R Anderson},
  year = {1991},
  doi = {10.1016/0895-4356(91)90045-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/1999692/},
  note = {Source identifier: 1999692}
}