@misc{indiciaebb269c302c17,
  title = {Tympanomaxillary shunt.},
  author = {L Ekvall and B Drettner},
  year = {1973},
  doi = {10.1001/archotol.1973.00780010025007},
  url = {https://pubmed.ncbi.nlm.nih.gov/4684902/},
  note = {Source identifier: 4684902}
}