Rheumatoid Arthritis: Is of an unknown cause. There may be a genetic or autoimmune issue, but the actual cause isn't known.
Answered 12/17/2018
5.8k views
Rheumatic factor: High levels of rheumatic factor, with an increased sedimentation rate, and a possible high ANA will typically cause rheumatism. This is more of a congenital breakdown of the joints.
Answered 6/10/2014
5.7k views
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