Figure 2
![Figure 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1475-2875-8-32/MediaObjects/12936_2008_Article_781_Fig2_HTML.jpg)
Yearly evolution of pfcrt 76 (light grey) and pfdhfr 108 (dark grey) molecular markers. P coefficients correspond to chi-square two tailed tests.
Yearly evolution of pfcrt 76 (light grey) and pfdhfr 108 (dark grey) molecular markers. P coefficients correspond to chi-square two tailed tests.