@misc{indiciaedf32fefd3acb,
  title = {Visual and muscular fatigue in operators using visual display terminals.},
  author = {C N Ong and B T Hoong and W O Phoon},
  year = {1981},
  url = {https://pubmed.ncbi.nlm.nih.gov/7052215/},
  note = {Source identifier: 7052215}
}