(Q39259144)
Statements
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Control of epidemic meningococcal meningitis by mass vaccination. I. Further epidemiological evaluation of groups A and C vaccines in northern Nigeria (English)
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I Mohammed
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E N Obineche
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G C Onyemelukwe
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K Zaruba
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1 September 1984
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9
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2
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190-196
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Identifiers
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