Finally, because the differences in FeNO across the different levels of exposure were small we must consider the possibility that our findings are due to a statistical association without a biological basis.
There was a significant (P<0.05) difference in the HSP mRNA expression at different levels of exposure.
Differences between studies and groups probably reflect different levels of exposure and surveillance definitions.
One reason for the variation in attributable fraction in addition to different levels of exposure to radon may be differences in smoking habits.
This could be explained by differences in methods used in these studies, by assessing different levels of exposure, or by different ethnic populations in each region [ 14, 30, 31].
The differences found were large enough to support health impact studies considering different levels of exposure using surrogates variables such as observed traffic density, counting of the number of vehicles, and the local traffic engineering classification system.
Despite the different levels of exposure between the 3 cohorts of students there was no difference between their confidence scores.
But one of the designer's most passionate and controversial ideas is not on show: the 1998 collection that looked at Muslim women, showing different levels of exposure of the body, below heads covered by burqas.
The scientists presume that the variations in infection rates among the workers reflect different levels of exposure based on the location of their stalls in the markets and where the workers walked.
We need to focus our research efforts on where we know evidence gaps exist: the impact of different levels of exposure to media programming; the effectiveness of standalone communication programmes versus those integrated into broader development programmes, and the relative effectiveness of different media approaches.
Deaths from the latest E. coli outbreak in Germany, blamed on organic bean sprouts, number at least 35; more than 3,000 people have been taken ill with different levels of exposure to the bacteria.What now Chancellor Merkel?
