@misc{indiciae2dada32cab34,
  title = {The ceiling-retractable service column.},
  author = {R J Wilder and G R Williams},
  year = {1981},
  doi = {10.1001/jama.1981.03320130013008},
  url = {https://pubmed.ncbi.nlm.nih.gov/7265438/},
  note = {Source identifier: 7265438}
}