@misc{indiciae9d8f291bc163,
  title = {The needle tip echo.},
  author = {S Bondestam},
  year = {1992},
  doi = {10.7863/jum.1992.11.6.253},
  url = {https://pubmed.ncbi.nlm.nih.gov/1608084/},
  note = {Source identifier: 1608084}
}