@misc{indiciaec49e9c775119,
  title = {Management of the difficult duodenum.},
  author = {Betty J Tsuei and Richard W Schwartz},
  doi = {10.1016/j.cursur.2003.06.002},
  url = {https://pubmed.ncbi.nlm.nih.gov/15051257/},
  note = {Source identifier: 15051257}
}