Sentence examples for be difficult to definitively from inspiring English sources

These injuries are caused by high-energy trauma such as motor vehicle accidents and falls from height and, due to the mechanism of injury as well as location of the fractures, can be difficult to definitively repair.

Recent data showing that S can activate midazolam 1′-hydroxylation by CYP3A5, but inhibits the same reaction through CYP3A4 indicate that it may be difficult to definitively define this interaction and that unexpected drug interactions may occur after the use of S (Sugiyama et al, 2011).

It's difficult to definitively declare when a physical letter no longer belongs to the person who wrote it.

"Since complete data were not available, it is difficult to definitively assess the safety profile of fenofibrate plus simvastatin versus simvastatin plus placebo," the F.D.A. said in its staff report.

Now, as Mr. Bloomberg seeks a third term, he is trying to play down divisions over the policy and portray the end of social promotion as a major reason for the city's large gains in test scores and graduation rates, even though it is difficult to definitively prove that relationship.

In resource-poor settings it is difficult to definitively diagnose lactic acidosis by laboratory measurement of lactate.

Esophageal schwannomas are difficult to definitively diagnose by biopsy because they are located in the submucosal tissue.

However they caution it's difficult to definitively determine how ads are being targeted because the process is so complex and opaque.

Although it's difficult to definitively date abandonments by carvings, cautions archaeologist Lisa Lucero of New Mexico State University, the new findings will help solve the mystery.

Note that since our survey was performed after the M 7.3 aftershock of May 12 , 2015 it is difficult to definitively separate the damage due to the mainshock from that caused by the aftershock.

But the researchers felt that "based on the designs of the existing studies, it is difficult to definitively conclude that these negative results clearly indicate that cell phone RFR is not carcinogenic".