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. Author manuscript; available in PMC: 2009 Oct 2.
Published in final edited form as: Gene. 2007 Sep 20;404(1-2):117–125. doi: 10.1016/j.gene.2007.09.013

Figure 1.

Figure 1

Plot of nonsynonymous nucleotide diversity (πN) vs. synonymous nucleotide diversity (πS) in 122 independent virus sequence datasets. The line is a 45° line. Sign test of equality of paired πN and πS values: P < 0.001.