@misc{indiciae8c80990afe68,
  title = {Those confounding variables!},
  author = {C R Buncher and J A Morrison},
  year = {1998},
  doi = {10.1016/s0022-3476(98)70214-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/9709699/},
  note = {Source identifier: 9709699}
}