Show 15 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: author="HBLDERSON, H*" or (type exact bookEditor and editor="HBLDERSON, H*") Add to list Conference Paper C1 Immunodiagnosis of Cooperia oncophora and Ostertagia ostertagi, gastrointestinal nematodes of cattle. Proc.: Joint meeting of the Belgian Societies of Parasitology and Protozoology, Leuven 10 juni 1992, p. 6. D DE GRAAF, H HBLDERSON, Paul Berghen and Jozef Vercruysse (UGent)