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. 2010 Feb 12;2(2):639–654. doi: 10.3390/v2020639

Figure 4.

Figure 4.

Proportion of Unique Recombinant Forms (URFs) and Second-Generation Recombinants (SGRs), South and West regions. (a) Percentages of URFs among total specimens. (b) Percentages of SGRs among total URFs. Statistically significant decrease (p < 0.05) is denoted by an asterisk.