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

Peak 1 is more difficult to assign with certainty.

(It should be pointed out that it is difficult to assign with certainty which of the Xenopus gene is the homolog of human MMP7 and which is that of human MMP26. For consistency, we kept Xenopus MMP7 for the previously published sequence [ 56]).

Consequently, it is difficult to assign NOEs to particular pairs of subunits with certainty, thus hindering the structural analysis of the oligomeric state.

The relatively large SEMs (not shown for reasons of graphic scale and cluttering) make it difficult to assign the months of uniquely highest or lowest risk with any certainty.

Accountability, however, proved more difficult to assign.

Since the language is undeciphered, meaning can be assigned with certainty to only a few Etruscan words that occur very frequently in the texts.

The 'intermediate' category included genes whose status could not be assigned with certainty.

It is difficult to say with certainty.

These things are difficult to count with certainty.

Sepsis can be difficult to diagnose with certainty.

Or is it, in truth, pretty difficult to say with certainty?