@misc{indiciae8231e8d72ffd,
  title = {It is time for the sonoscope.},
  author = {Lennard D Greenbaum},
  year = {2003},
  doi = {10.7863/jum.2003.22.4.321},
  url = {https://pubmed.ncbi.nlm.nih.gov/12693614/},
  note = {Source identifier: 12693614}
}