@misc{indiciaef2ed327eaf48,
  title = {Content analysis: a method for studying clinical nursing problems.},
  author = {G C McCain},
  year = {1988},
  doi = {10.1016/s0897-1897(88)80029-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/3239999/},
  note = {Source identifier: 3239999}
}