@misc{indiciae5ab5e7a47506,
  title = {Bias: adding to the uncertainty.},
  author = {J M Sparrow and J R Thompson},
  year = {1999},
  doi = {10.1136/bjo.83.6.637},
  url = {https://pubmed.ncbi.nlm.nih.gov/10340965/},
  note = {Source identifier: 10340965}
}