@misc{indiciae9701444d7d6d,
  title = {Hayman perching stool.},
  author = {A S Dixon},
  year = {1974},
  doi = {10.1136/bmj.2.5918.546},
  url = {https://pubmed.ncbi.nlm.nih.gov/4276106/},
  note = {Source identifier: 4276106}
}