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Biodegradableand biocompatible poly(DL-lacride-co-glycolide)micro-spheres as an adjuvant for staphylococcal enterotoxin Btoxoidwhich enhances the level of toxineutralizing antibod-ies. Eldridge JH.JK. Staas. JA. Meulbroek,et al. Infection and Immunity . 1991
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Nelsou.Antigenic homology ofendotoxin with a coliform mastits vaccine strain, Escherichiacoli O111: B4(J5). Tyler J. W.H,Spears,and R. Journal of Dairy Science . 1992