Exact(8)
It should be noted that the literature study of sulfacetamide stability was performed at 120 °C and the only temperature dependency stability study (pH 7.4, data not reported per se) was done at 99.5, 110, 120, 130 and 140 °C, making extrapolation/projection to 25 °C potentially subject to considerable error.
Estimates of the extent of unrecorded alcohol consumption generally rely upon expert judgements and therefore may be subject to considerable error (Rehm et al., 2010b).
In these observational studies, although there is evidence of statistical independence, vitamin D status and sun exposure are closely inter-related, and measurement of both is subject to considerable error.
While the event and staff hour screening tempo can be accurately determined from our data, the screening yield (i.e. number tested/number exposed to the activity) is harder to calculate and is subject to considerable error.
Some limitations to the analysis described in this report are, first, the PIN used was incomplete and therefore subject to considerable error rates; second, the large number of predicted miRNA targets makes experimental validation rather difficult.
A range of locational checks was carried out on these data (e.g. by intersecting site co-ordinates with other, independent locational data, by comparison of co-ordinates given in different data files, and by intersection with district and county boundaries) and these showed that they were also subject to considerable error in some cases.
First, FAO estimates are derived by combining input variables for each food item, including total national production, total imports, total exports, total nonhuman use (e.g., livestock feed), and total waste from farms, distribution, and processing (3), each of which are subject to considerable error (3, 4).
However, contact histories of diagnosed cases prior to the time of diagnosis are subject to considerable error, especially so for those who lived in different households compared to the one in which they lived when recorded at the time of diagnosis (2, 15, 24, 26, 27).
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