title: Importation of Johne's disease vaccine.
authors: Scott
authors: S
authors: Price
mesh_terms: D000818:Animals; D002417:Cattle; D003132:Commerce; D006041:Goats; D010283:Paratuberculosis / Q000517:prevention & control*; D012756:Sheep; D013045:Species Specificity; D006113:United Kingdom; D014611:Vaccination / Q000662:veterinary*