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  1. Batt, C. A., Wiedmann, M. and Brandon, R. 1993. Methods of detecting Bovine Herpesvirus I (BHV-1) in semen by nucleic acid amplification. U.S. Patent 5,545,523.
  2. Fratamico, P. M., Sackitey, S. and Wiedmann, M. 1997. Assay for enterohemorrhagic Escherichia coli O157:H7 by the polymerase chain reaction. U.S. Patent 5,652,102.