Sentence examples for for this decrease is unclear but from inspiring English sources

The reason for this decrease is unclear but could relate to the acquisition of a binding site for an unidentified repressor.

The cause of this decrease is unclear.

The mechanisms for this decrease are unclear.

Blood-Hg data for the general US population from 1999 2004 suggest that levels may be decreasing with time though the reasons for this decrease are unclear [ 2].

The clinical significance of such a decrease is unclear.

Basophils apparently decreased once in captivity but the factors determining the observed decrease are unclear.

This decrease is roughly twice the size as earnings decreases for the 30-59 agroupoup.

The source for this statement is unclear.

The reason for this fact is unclear.

The reason for this finding is unclear.

The reason for this discrepancy is unclear.