PDF(162 KB)
Seroepidemiology survey of influenza A (H1N1)in Xicheng District of Beijing in 2011.
China Tropical Medicine ›› 2012, Vol. 12 ›› Issue (03) : 324-326.
PDF(162 KB)
PDF(162 KB)
Seroepidemiology survey of influenza A (H1N1)in Xicheng District of Beijing in 2011.
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