| http://www.w3.org/ns/prov#value | - Antibody detection may be performed utilizing any standard techniques, including ELISA or Western blotting, in which a sample from a patient may be tested for the presence of anti-retroviral antibodies by exposing the serum to immobilized retrovirus or retroviral antigen, and then detecting antibody that has bound to immobilized virus or viral antigen (e.g., by binding of a second, labeled antibod
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