@misc{indiciaec68d4cf3ff88,
  title = {The lower esophagus.},
  author = {W S KEYTING and G M BAKER and R R MCCARVER and A L DAYWITT},
  year = {1960},
  url = {https://pubmed.ncbi.nlm.nih.gov/13752844/},
  note = {Source identifier: 13752844}
}