@misc{indiciae2496931ba17f,
  title = {Subglottic carcinoma with extensive tracheal involvement.},
  author = {W S CALEM and H R FREUND},
  year = {1961},
  url = {https://pubmed.ncbi.nlm.nih.gov/13875721/},
  note = {Source identifier: 13875721}
}