It seems that rheumatoid factor is the only name that is used for it.
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The X Factor Ukraine judges are:Ihor KondratiukSergei SosedovYolkaSeryoga
Juan Peron
they are Guy Sebastian's back up singers befor they came to the x factor show and their names used to be roquettes
If you're referring to the judges' names, here they are: Simon Cowell Britney Spears Demi Lovato L.A. Reid
I think it was jedward