@misc{indiciae857dc9adde40,
  title = {Cervical esophageal diverticula causing complete obstruction.},
  author = {J W Polk and M Medina and E Sarno},
  year = {1969},
  url = {https://pubmed.ncbi.nlm.nih.gov/4975670/},
  note = {Source identifier: 4975670}
}