@misc{indiciae5f6931074997,
  title = {[Precision test for the duodenal cap using hypotonic duodenography--its method and evaluation].},
  author = {T Yao},
  year = {1972},
  url = {https://pubmed.ncbi.nlm.nih.gov/4672964/},
  note = {Source identifier: 4672964}
}