@misc{indiciae8b02b5545fa8,
  title = {Inexpensive one-way screen.},
  author = {E S Barton},
  year = {1972},
  doi = {10.1136/bmj.2.5810.407-d},
  url = {https://pubmed.ncbi.nlm.nih.gov/5023929/},
  note = {Source identifier: 5023929}
}