@misc{indiciaee1febc11b342,
  title = {Data collection \& observer bias.},
  author = {R W Petri and R Wears},
  year = {1990},
  doi = {10.1016/s0196-0644(05)82208-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/2331116/},
  note = {Source identifier: 2331116}
}