(Q40757649)
Statements
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Comparison of enteric-coated capsules and liquid formulation of Ty21a typhoid vaccine in randomised controlled field trial (English)
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M M Levine
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C Ferreccio
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S Cryz
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E Ortiz
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1 October 1990
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1 reference
336
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8720
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891-894
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Identifiers
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