@misc{indiciaeab47cc3b52ae,
  title = {[Middle esophageal ring].},
  author = {J M Herrerias Gutierrez and G Miño Fugarolas and J Jimenez Pereperez and M Osorio Sanche and M Jurado Nieto-Guerrero},
  year = {1974},
  url = {https://pubmed.ncbi.nlm.nih.gov/4840490/},
  note = {Source identifier: 4840490}
}