@misc{indiciae141ef7be6812,
  title = {Why middle-range theory?},
  author = {P L Chinn},
  year = {1997},
  doi = {10.1097/00012272-199703000-00001},
  url = {https://pubmed.ncbi.nlm.nih.gov/9055025/},
  note = {Source identifier: 9055025}
}