@misc{indiciaec1dcc4dfa055, title = {Rheumatoid factor revisited.}, author = {Thomas Dörner and Karl Egerer and Eugen Feist and Gerd R Burmester}, year = {2004}, doi = {10.1097/00002281-200405000-00013}, url = {https://pubmed.ncbi.nlm.nih.gov/15103252/}, note = {Source identifier: 15103252} }