@misc{indiciae2afe9c7d3008,
  title = {Progress in endoscopic ultrasonography.},
  author = {C J Lightdale},
  year = {1996},
  doi = {10.1016/s0016-5107(96)70270-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/8903828/},
  note = {Source identifier: 8903828}
}