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BioMed Research International
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2014
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Article
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Fig 3
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Research Article
Genetic Diversity and Distribution of Human Norovirus in China (1999–2011)
Figure 3
Distribution of NoV GII.4 variants based on ORF1 (a) and ORF2 (b). NA indicates the GII.4 sequences could not be assigned to any known variants.
(a)
(b)