@misc{indiciae3c161f9101b1,
  title = {Development and application of endoscopy.},
  author = {B I Hirschowitz},
  year = {1993},
  doi = {10.1016/0016-5085(93)90399-w},
  url = {https://pubmed.ncbi.nlm.nih.gov/8425675/},
  note = {Source identifier: 8425675}
}