@misc{indiciae2326904e410c,
  title = {Protective face shield attaches to headmirror.},
  author = {B Thal},
  year = {1990},
  doi = {10.1177/019459989010300122},
  url = {https://pubmed.ncbi.nlm.nih.gov/2117723/},
  note = {Source identifier: 2117723}
}