@misc{indiciae671786a37a30,
  title = {Aqueous solutions as contrast agents.},
  author = {J Ophir},
  year = {1983},
  doi = {10.7863/jum.1983.2.11.528},
  url = {https://pubmed.ncbi.nlm.nih.gov/6644879/},
  note = {Source identifier: 6644879}
}