@misc{indiciaeb91ac34495dd,
  title = {Harmonic imaging with Levovist.},
  author = {K Q Schwarz and X Chen and S Steinmetz and D Phillips},
  doi = {10.1016/s0894-7317(97)80027-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/9046488/},
  note = {Source identifier: 9046488}
}