@misc{indiciae7d6923f169df,
  title = {Retrospective dynamic transmit focusing.},
  author = {S Freeman and P C Li and M O'Donnell},
  year = {1995},
  doi = {10.1177/016173469501700301},
  url = {https://pubmed.ncbi.nlm.nih.gov/8772263/},
  note = {Source identifier: 8772263}
}