@misc{indiciaee1ea0ea133f1,
  title = {Preliminary study in differential contrast echography.},
  author = {M Arditi and T Brenier and M Schneider},
  year = {1997},
  doi = {10.1016/s0301-5629(97)00116-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/9372567/},
  note = {Source identifier: 9372567}
}