| http://www.w3.org/ns/prov#value | - In another aspect, there is a method for determining the quantity of autoantibodies in a body fluid or tissue, the method having the steps of: (1) providing a controlled amount of non-radioisotopic labeled antigen to the antibody or autoantibody, the controlled amount not substantially exceeding the amount of natural antigen present in the body fluid; (2) contacting the non-radioisotopic labeled a
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