Resolution: standard / high
Figure 1.
Number of hits for the keyword "Schistosoma" (
) in two widely used Chinese databases: CNKI (white bars) and VIP (shaded bars) from 1990–2006.
) in two widely used Chinese databases: CNKI (white bars) and VIP (shaded bars) from 1990–2006.Liu et al. Emerging Themes in Epidemiology 2008 5:19 doi:10.1186/1742-7622-5-19
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