@misc{indiciae38afa09baa2f,
  title = {Pleural effusions.},
  author = {R W Light},
  year = {1977},
  doi = {10.1016/s0025-7125(16)31265-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/21999/},
  note = {Source identifier: 21999}
}