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Avian Pathology : Journal of the W.V.P.A|September 1, 1991
Duck hepatitis virus type I: studies with inactivated vaccines in breeder ducksP R WoolcockAvian Pathology : Journal of the W.V.P.A|January 1, 1986
An assay for duck hepatitis virus type I in duck embryo liver cells and a comparison with other assaysP R WoolcockResearch in Veterinary Science|July 1, 1986
Passage of duck hepatitis virus in cell cultures derived from avian embryos of different speciesD Davis, P R WoolcockAvian Pathology : Journal of the W.V.P.A|December 1, 1994
Swollen head syndrome associated with E. coli and infectious bronchitis virus in the Central Valley of CaliforniaR Droual, P R WoolcockAvian Pathology : Journal of the W.V.P.A|April 1, 1981
Duck virus hepatitis: the effect of attenuation on virus stability in ducklingsP R Woolcock, G W CrightonThe Veterinary Record|April 22, 1978
Active immunisation of ducklings against duck virus hepatitisG W Crighton, P R WoolcockThe Veterinary Record|July 14, 1979
Duck virus hepatitis: serial passage of attenuated virus in ducklingsP R Woolcock, G W CrightonAvian Pathology : Journal of the W.V.P.A|October 1, 1984
The effect of animal sera on duck hepatitis virusW S Chalmers, P R WoolcockAvian Pathology : Journal of the W.V.P.A|January 1, 1987
The duck fatty kidney syndrome--an aspect of duck viral hepatitisH Farmer, W S Chalmers, P R WoolcockAvian Diseases|October 25, 2003
Low-pathogenicity avian influenza virus (H6N2) in chickens in California, 2000-02P R Woolcock, D L Suarez, D KuneyPageof 4