@misc{indiciaeb30a1afcc938,
  title = {Ultrasonic imaging using optoelectronic transmitters.},
  author = {C D Emery and H C Casey and S W Smith},
  year = {1998},
  doi = {10.1177/016173469802000203},
  url = {https://pubmed.ncbi.nlm.nih.gov/9691369/},
  note = {Source identifier: 9691369}
}