@BOOK{NAP20459, title = "Swine: Standards and Guidelines for the Breeding, Care, and Management of Laboratory Animals", doi = "10.17226/20459", url = "https://nap.nationalacademies.org/catalog/20459/swine-standards-and-guidelines-for-the-breeding-care-and-management", year = 1971, publisher = "The National Academies Press", address = "Washington, DC" }