@misc{indiciae74437f62ec56,
  title = {Cricopharyngeal ring. A case report.},
  author = {W A Cumming and M Akhtar and C Ferentzi and W Feteih},
  year = {1986},
  doi = {10.1007/bf02386642},
  url = {https://pubmed.ncbi.nlm.nih.gov/3951900/},
  note = {Source identifier: 3951900}
}