title: Influenza vaccine strains: licensing perspectives.
authors.affiliation: Veterinary Medicines Directorate, Addlestone, Surrey, UK.
authors.forename: R M
authors.initials: RM
authors.lastname: Woodland
mesh_terms: D000818:Animals; D017277:Drug Approval / Q000331:legislation & jurisprudence*; D005060:Europe; D006734:Horse Diseases / Q000517:prevention & control*; D006736:Horses; D007252:Influenza Vaccines / Q000276:immunology*; D009976:Orthomyxoviridae Infections / Q000517:prevention & control / Q000662:veterinary*; D019155:Veterinary Drugs
chemical_list: D007252:Influenza Vaccines; D019155:Veterinary Drugs