Epidemicity yellow fever assaults , Houston early phase develops slowly since being located in many muddy swamps and being suffering, be to transport the cotton harbour only.
于地处多泥泞沼泽和遭受流行性黄热病袭击,休斯敦早期发展缓慢,仅为运棉港口。
Epidemicity yellow fever assaults , Houston early phase develops slowly since being located in many muddy swamps and being suffering, be to transport the cotton harbour only.
于地处多泥泞沼泽和遭受流行性黄热病袭击,休斯敦早期发展缓慢,仅为运棉港口。
Based on a 8-year surveillance data,a factor analysis theory was used to analyze the 12 risk factors influencing the epidemicity of epidemic cerebrospinal meningitis.
应用因子分析理论,结合随州市8来的流脑监测资料,对影响流脑流行的12个因素进行了研究。
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