@misc{indiciae5693d377750e,
  title = {GI endoscopy in China.},
  author = {Qi-Lian Zhang and Zhong-Lin Yu},
  year = {2002},
  doi = {10.1067/mge.2002.122791},
  url = {https://pubmed.ncbi.nlm.nih.gov/12024168/},
  note = {Source identifier: 12024168}
}