@misc{indiciae21f0238c1144,
  title = {Rheumatoid pleuritis with effusion.},
  author = {G D Campbell and E Ferrington},
  year = {1968},
  doi = {10.1378/chest.53.5.521},
  url = {https://pubmed.ncbi.nlm.nih.gov/5658966/},
  note = {Source identifier: 5658966}
}