@misc{indiciae125d0bf52519,
  title = {Effective audiovisual presentation.},
  author = {S S Sagel and R G Ramsey},
  year = {1991},
  doi = {10.2214/ajr.156.1.1701610},
  url = {https://pubmed.ncbi.nlm.nih.gov/1701610/},
  note = {Source identifier: 1701610}
}