title: Survey of vaccines and SPF flocks for contamination with chick anaemia agent.
authors.affiliation: Biological Products and Standards Department, Central Veterinary Laboratory, New Haw, Weybridge, Surrey.
authors.forename: R A
authors.initials: RA
authors.lastname: Nicholas
authors.forename: B
authors.initials: B
authors.lastname: Westbury
authors.forename: R D
authors.initials: RD
authors.lastname: Goddard
authors.forename: P R
authors.initials: PR
authors.lastname: Luff
mesh_terms: D000818:Animals; D000914:Antibodies, Viral / Q000032:analysis; D002460:Cell Line; D004340:Drug Contamination; D001350:Encephalomyelitis Virus, Avian / Q000276:immunology; D005455:Fluorescent Antibody Technique; D005587:Fowlpox virus / Q000276:immunology; D001352:Herpesvirus 1, Gallid / Q000276:immunology; D008381:Herpesvirus 2, Gallid / Q000276:immunology; D007243:Infectious bursal disease virus / Q000276:immunology; D009522:Newcastle disease virus / Q000276:immunology; D013047:Specific Pathogen-Free Organisms; D014765:Viral Vaccines / Q000592:standards*; D014780:Viruses / Q000254:growth & development* / Q000276:immunology
chemical_list: D000914:Antibodies, Viral; D014765:Viral Vaccines