Resolution: standard / high
Figure 1.
Prevalence of HAV antibodies according to age in subjects aged between two and 10 years old, Antananarivo 2004 (χ2 test for trend P < 0.01).
Raharimanga et al. BMC Infectious Diseases 2008 8:78 doi:10.1186/1471-2334-8-78
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