Global research trends in West Nile virus from 1943 to 2016: a bibliometric analysis.

Global Health · 2017 · PMC5543434 · PMID 28774315

Europe PMC DOI

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an obvious trendno p-value reported

Conclusions There is an obvious trend of WNV research after 2000, and countries with high income have more contributions in WNV research field.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.