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Antigenic differences between the developmental stages of O. ostertagi were studied by SDS-PAGE and Western blotting. Gel electrophoresis showed a complex protein pattern different for every stage with the O. ostertagi fourth stage larvae (L4) showing an intermediate protein pattern between the...

Hilderson, H.; Graaf, D. C. de; Vercruysse, J.; Berghen, P.
Research in Veterinary Science, 1993, 55, 2, pp 203-208