@misc{indiciaef95fe4510b7e,
  title = {The eternal triangle.},
  author = {M Powell},
  year = {1970},
  doi = {10.1136/bmj.2.5706.416},
  url = {https://pubmed.ncbi.nlm.nih.gov/5460573/},
  note = {Source identifier: 5460573}
}