@misc{indiciae844a4bb14390,
  title = {PowerPoint pen.},
  author = {Lawrence E Ginsberg},
  year = {2004},
  doi = {10.2214/ajr.182.1.1820258},
  url = {https://pubmed.ncbi.nlm.nih.gov/14684549/},
  note = {Source identifier: 14684549}
}