@misc{indiciaeefe604cbd138,
  title = {Unexpected expectoration.},
  author = {M Sundaresan and A B Price},
  year = {1988},
  doi = {10.1136/jcp.41.5.596-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/3384990/},
  note = {Source identifier: 3384990}
}