@misc{indiciaee94cc02a921c,
  title = {Rheumatoid pleural effusion.},
  author = {J R Feagler and G D Sorenson and M G Rosenfeld and C K Osterland},
  year = {1971},
  url = {https://pubmed.ncbi.nlm.nih.gov/4937536/},
  note = {Source identifier: 4937536}
}