@misc{indiciaeb77cc8e392ed,
  title = {Pleural effusions: diagnostic considerations.},
  author = {J M Ewig},
  year = {1995},
  doi = {10.1542/pir.16-2-79},
  url = {https://pubmed.ncbi.nlm.nih.gov/7877919/},
  note = {Source identifier: 7877919}
}