@misc{indiciae75840178e8f7,
  title = {Inexpensive, convenient transducer holder.},
  author = {J R Ronderos and G L Boyd},
  year = {1993},
  doi = {10.1213/00000539-199305000-00063},
  url = {https://pubmed.ncbi.nlm.nih.gov/8484537/},
  note = {Source identifier: 8484537}
}