@misc{indiciae90ed4fb78b66,
  title = {Liquid or solid ultrasonically tissue-mimicking materials with very low scatter.},
  author = {E L Madsen and G R Frank and F Dong},
  year = {1998},
  doi = {10.1016/s0301-5629(98)00013-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/9651963/},
  note = {Source identifier: 9651963}
}