Sentence examples for several levels of exposure from inspiring English sources

This approach is particularly useful when considering several levels of exposure for a covariate.

This could be addressed by future studies by having several levels of exposure within a certain range.

For several levels of exposure or disease, measures are available which correspond to odds ratios, risk ratios and risk differences [ 17], and it is not difficult to compute sample size formulas for these.

Specific examples to risk assessment involving extrapolation of animal data to humans, based on several levels of human exposure to PCBs in fish, are presented.

CITES offers several levels of protection.

Moreover, if several categories or levels of exposure were examined, Zhang et al. (2009) took data from only the highest among them.

Moreover, when several categories or levels of exposure were examined, they took data from only the highest among them, and what constituted a "high" category also varied considerably among studies, depending on how each study established gradations of exposure.

Toxic effects in experimental studies are obtained at levels of exposure several orders of magnitude higher than exposure levels of the general population, preventing direct transfer of animal results to human studies.

Importantly, these studies show significant effects for several adverse birth outcomes at levels of exposure to THMs that have been observed in Australian metropolitan areas, such as Perth (Dodds et al. 1999; King et al. 2000).

Interestingly, these proportional increases in mortality are seen at levels of exposure several times higher than those in most large Western cities (mean levels, 51.6 141.8 μg/m), and in each city except Shanghai, the pattern of the exposure response functions appear linear over a fairly large range of ambient concentrations up to and sometimes > 100 μg/m.

Toxic effects and biomarkers drawn from exposures several fold higher than the levels of exposure of the general human population cannot be transferred directly to the studies of the general population since most of toxic substances exert different effects at different doses.