Sentence examples for difficult to perform since from inspiring English sources

Therapeutic test is also difficult to perform since it involves the use of several drugs with potential side effects for 4 to 6 weeks [1, 8].

However, all of the presently available data point out that such an approach is difficult to perform, since it must be adapted to peculiar structural and functional features contained in the nephrogenic zone [8].

In fact database harmonisation was not difficult to perform since all variables had comparable categories.

Evaluations of ACF are inherently difficult to perform, since randomisation of participants into ACF or PCF strategy is impossible.

One of the underlying reasons probably is that research on the health of undocumented residents is difficult to perform since they belong to a hidden population.

Theoretically, the comparison of cells of the same lineage at a similar differentiation stage would be ideal for human gene expression analysis, however, in practical terms this was difficult to perform, since samples of both T and NK lineage were included in this study.

GMAW can be difficult to perform well outdoors, since drafts can dissipate the shielding gas and allow contaminants into the weld; flux cored arc welding is better suited for outdoor use such as in construction.

First, this task is difficult to perform in the fMRI scanner since it requires two steps to avoid becoming a simple confidence rating (Hicks and Marsh, 1999).

This type of analysis is very difficult to perform using expression data from microarrays, since the measurements are complicated by the presence of background hybridization signal making it very difficult to confidently identify genes that show an expression level near zero in either tumor type.

It is difficult to perform a comparative study in cadavers since bone quality, bone shape, and femoral canal size vary which may influence the results.

Since it is difficult to perform an in-depth independent analysis on the thousands of shareholder issues up for vote, many such investors rely heavily on the recommendations of shareholder advisory firms like Institutional Shareholder Services and Glass, Lewis & Company.