@misc{indiciae28088cee0b39,
  title = {Letter: Beta2 microglobulin in pleural fluids.},
  author = {A O Vladutiu},
  year = {1976},
  doi = {10.1056/nejm197604152941618},
  url = {https://pubmed.ncbi.nlm.nih.gov/55971/},
  note = {Source identifier: 55971}
}