Sentence examples for difficult to ascertain with certainty from inspiring English sources

DNA damage is difficult to ascertain with certainty.

In some cases, it was difficult to ascertain with certainty which recommendations in each report were based on research evidence, which on expert opinion and which on experience.

Despite the improvements in VTE risk assessment and prevention discussed above, it remains difficult to ascertain with certainty if monetary incentives were the driving force behind the significant changes in the percentages of patients risk assessed between 2009 and 2010 in each hospital.

With such losses to follow-up it was hard to ascertain with certainty what the true outcomes were at study completion for the patients in these trials.

Whether 100 Days Action actually changed anyone's mind about politics is difficult to ascertain with any certainty, but Contreras attests that the project did succeed in galvanizing the will of those involved by helping to hone their ability to take care of themselves as they continue their resistance.

While the potential causes for this are multiple and difficult to ascertain with any degree of certainty, it seems likely that newer therapies that may reduce the incidence and severity of hyponatremia in the inpatient setting could minimize the costs of this important clinical disorder.

For example, one of the most widely used, the CLIP Groupp, 1998), system estimates the extent of tumour as > or <50% of the total liver volume, a measurement that, in clinical practice, is difficult to ascertain with any degree of certainty or consistency.

Thus the taxonomic origin of environmental sequence information is more difficult to ascertain with the same degree of certainty as individual microbial genomes sourced from isolates or single-cells.

The microstructural origin of this behavior is difficult to ascertain with macroscopic observations.

Fourth, the outcomes were measured at one point in time so it is not possible to ascertain with certainty the direction of relationships reported.

The precise boundaries of the suburb are difficult to ascertain, though the southern boundary was fixed with certainty at the junction of Kells Lane and Durham Road by the Parliamentary Boundaries Act 1832 and the eastern border with Sheriff Hill is clearly demarcated by Sheriff's Highway/Old Durham Road.