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The trial used technology by immunodiagnostics firm Oncimmune, which detects the presence of autoantibodies generated by the body's immune system as a natural defence against cancer cells.

The global immunodiagnostics market is valued at $735 million.

Veterinary immunodiagnostics -- a methodology using antigen-antibody reaction to detect viruses or bacteria in animals -- is growing at an annual rate of 8 percent, twice the rate of the animal health industry as a whole, Pfizer noted.