| http://www.w3.org/ns/prov#value | - A mercantile kit useful in performing immunoassays for differentiating a sample containing antibodies stimulated by B. abortus field strain infection from a sample containing antibodies stimulated by B. abortus Strain 19 vaccination which comprises multiple containers wherein one of said containers has therein a solution including a monoclonal antibody produced by a hybridoma cell line having ATCC
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