[ Published in: Journal of Veterinary Research ]
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The production of an auxotrophic marked, plamid-cured Salmonella ser. Typhimurium as a live attenuated vaccine
1998
Van der Walt, M.L. (Agricultural Research Council, Onderstepoort (South Africa). Onderstepoort Veterinary Inst.) | Greeff, A.S.
National Department of Agriculture, Agricultural Information Centre - South Africa
