(Q42223178)
Statements
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Update on vaccine-derived polioviruses - worldwide, July 2012-December 2013. (English)
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Centers for Disease Control and Prevention (CDC)
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Cara C Burns
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Steven G Wassilak
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Olen M Kew
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Ousmane M Diop
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1 March 2014
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63
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11
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242-248
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Identifiers
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1 reference