@misc{indiciae4de07669e950,
  title = {The estimation of Widmark's factor.},
  author = {A Forrest},
  doi = {10.1016/s0015-7368(86)72491-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/3760810/},
  note = {Source identifier: 3760810}
}