(Q39262403)
Statements
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Measles incidence, vaccine efficacy, and mortality in two urban African areas with high vaccination coverage (English)
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Aaby P
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Knudsen K
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Jensen TG
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Thårup J
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Poulsen A
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Sodemann M
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da Silva MC
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Whittle H
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1 November 1990
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Identifiers
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