@misc{indiciae71b20057992b,
  title = {Specificity and variability of practice.},
  author = {C H Shea and R M Kohl},
  year = {1990},
  doi = {10.1080/02701367.1990.10608671},
  url = {https://pubmed.ncbi.nlm.nih.gov/2094928/},
  note = {Source identifier: 2094928}
}