Antibodies and antigens are disclosed which provide a method of detecting and a method of combating flukes. A diagnostic method for the determination of an active fluke infection in a warm-blooded animal is provided which comprises the testing of body serum or body fluids for the presence of fluke spine...http://www.google.com/patents/US4530908?utm_source=gb-gplus-sharePatent US4530908 - Diagnosis and treatment of fluke infections with monoclonal antibodies