@misc{indiciae112a62584856,
  title = {Primary tracheal neoplasms.},
  author = {R C Gupta and S K Malik and R K Aggarwal and R Vasishta and M M Arora},
  url = {https://pubmed.ncbi.nlm.nih.gov/6086509/},
  note = {Source identifier: 6086509}
}