(Q50188266)
Statements
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Lack of immune response to the Vi component of a Vi-positive variant of the Salmonella typhi live oral vaccine strain Ty21a in human studies. (English)
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Salmonella typhi
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C O Tacket
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G Losonsky
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D N Taylor
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L S Baron
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D Kopecko
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S Cryz
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M M Levine
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1 April 1991
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163
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4
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901-904
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Identifiers
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