@misc{indiciaeb302bf1fae1a,
  title = {Eight faces of validity.},
  author = {C Cheney},
  year = {2000},
  doi = {10.1016/s0002-8223(00)00077-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/10691391/},
  note = {Source identifier: 10691391}
}