@misc{indiciae863789587ad6,
  title = {Routine quantification of rheumatoid factor by rate nephelometry.},
  author = {P J Roberts-Thomson and R McEvoy and T Langhans and J Bradley},
  year = {1985},
  doi = {10.1136/ard.44.6.379},
  url = {https://pubmed.ncbi.nlm.nih.gov/4015199/},
  note = {Source identifier: 4015199}
}