Clinically relevant discrepancies between different rheumatoid factor assays.
Willem J J FalkenburgHelen J von RichthofenJana KoersCas WeykampMarco W J SchreursLiesbeth E Bakker-JongesInez-Anne HaagenWillem F LemsDörte HamannDirkjan van SchaardenburgTheo RispensPublished in: Clinical chemistry and laboratory medicine (2019)