@misc{indiciaed11050c3075e,
  title = {Sonographic guidance for central venous access.},
  author = {R R Gray and J C Saliken and C B So and D Sadler},
  year = {1998},
  doi = {10.2214/ajr.171.3.9725352},
  url = {https://pubmed.ncbi.nlm.nih.gov/9725352/},
  note = {Source identifier: 9725352}
}