@misc{indiciae1dcf7169905e,
  title = {Improved immunoturbidimetric method for rheumatoid factor testing.},
  author = {M Nykänen and T Palosuo and K Aho and T Sahi and R von Essen},
  year = {1993},
  doi = {10.1136/jcp.46.11.1065},
  url = {https://pubmed.ncbi.nlm.nih.gov/8254101/},
  note = {Source identifier: 8254101}
}