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. 2001 Apr 3;98(8):4558–4562. doi: 10.1073/pnas.071406098

Figure 3.

Figure 3

Scatterplots of genetic and geographical distances separating each pairwise combination of populations. CA populations are signified by circles; North American non-CA populations by filled diamonds; and South American non-CA populations by open diamonds. The regression line is dotted for CA (P = 0.16, not significant), solid for non-CA excluding the South American isolates (P = 0.017, significant), and dashed for non-CA including the South American isolates (P = 0.362, not significant).