| 1. | | | Modulating the microbial colonization of the gastrointestinal tract by oral administration of defined Escherichia coli strains
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| 2. | | | Modulating the microbial colonization of the gastrointestinal tract by oral administration of defined Escherichia coli strains
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| 3. | | | Modulating the mocrobial colonization of the gastrointestinal tract by oral administration of defined Escherichia coli strains
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| 4. | | | Potential Shigella flexneri 2A and Shigella sonnei I live vaccinal strains : Characterization of immunogenicity in animal models
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| 5. | | | Technological aspect of the production of live dysentery vaccines for oral administration
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