@misc{indiciaedf4398954b04,
  title = {Opportunistic behavior.},
  author = {T R O'Donovan},
  year = {1974},
  doi = {10.1097/00006247-197401000-00007},
  url = {https://pubmed.ncbi.nlm.nih.gov/4492127/},
  note = {Source identifier: 4492127}
}