Sentence examples for cannot be definitively established from inspiring English sources

It is an observational study, not a randomized trial, so cause and effect cannot be definitively established.

The dates at which the Ranken coach was altered and re-upholstered in new coated fabrics cannot be definitively established.

However, a cause/effect relationship between mucosal CD8+ T-cells and clinical status cannot be definitively established due to the cross-sectional nature of this study; indeed, it is possible that polyfunctional responses are a consequence of an intact immune system in individuals with low viral replication, rather than the cause of low virus replication.

As the data presented is cross sectional, causality between psychological distress and interaction with the public cannot be definitively established.

From such studies, the importance of IFN in vivo has been inferred, however, causal relationships cannot be definitively established by correlations alone.

Despite the process of enrichment through plastic adherence, it is inevitable that even cultured preparations will be contaminated by non-MSC populations, and the contribution of each contained population to the repair process cannot be definitively established.

I am truly hopeful that a test will be done so this fact can be definitively established," the statement said.

Because of obesity, costovertebral angle tenderness could not be definitively established.

39, 40 Given these conditions, causation could not be definitively established in any of the cases.

Thus, the identity of the pore-forming subunit remains to be definitively established.

Only recently, with more advanced laboratory techniques, has this role been definitively established and expanded upon.