| http://www.w3.org/ns/prov#value | - Treatment with any of the following drugs within the last 3 months prior to inclusion: colchicine, corticosteroids, azathioprine or other immunosuppressive drugs (e.g. cyclosporine, methotrexate), chlorambucil, D-penicillamine, fibrates, or antihyperlipidemic drugs
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