نتایج جستجو برای: chemical injury
تعداد نتایج: 654282 فیلتر نتایج به سال:
Among 114 patients infected with hepatitis C virus, three genotype 4 isolates, unusual in Argentina, were detected by phylogenetic analysis over different genomic regions. The patients were not related. One sample was associated with Egyptian sequences, and the others were associated with a Zairean isolate, a fact which reinforces the idea that they are from independent sources.
It is widely recognized that exposure to combinations or mixtures of chemicals may result in highly exaggerated toxicity even though individual chemicals might not be toxic at low doses. Chemical mixtures may also cause additive or less than additive toxicity. From the perspective of public health, highly exaggerated toxicity is of significant concern. Assessment of risk from exposure to chemic...
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