Rheumatoid Factor (RF)
Was $16.00
SAVE 13%
$14.00
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Rheumatoid factors are proteins produced by your immune system that can attack healthy tissue in your body.High levels of rheumatoid factor in the blood are most often associated with autoimmune diseases, such as rheumatoid arthritis and Sjogren's syndrome. Diagnostic Blood Test: Rheumatoid Factor (RF)
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$10
$12
(+$2)
$12
$16
(+$4)
$16
$14
(-$2)