@misc{indiciae633cfd305bdf,
  title = {Newly developing endoscopic devices--shadow optics and micromachine.},
  author = {Y J Chee and S W Lee and K Park},
  year = {1999},
  doi = {10.3349/ymj.1999.40.6.550},
  url = {https://pubmed.ncbi.nlm.nih.gov/10661031/},
  note = {Source identifier: 10661031}
}