@misc{indiciae5eb1db3f86e3,
  title = {Down with double projection.},
  author = {E Heyderman and D L Eustace},
  year = {1991},
  doi = {10.1016/0140-6736(91)92768-w},
  url = {https://pubmed.ncbi.nlm.nih.gov/1720185/},
  note = {Source identifier: 1720185}
}