Sentence examples for must have persisted from inspiring English sources
This reflects our criteria for CDH that require the patient not only to have a headache frequency of ≥15 days/month, but also that the condition must have persisted for at least 3 months.
We can infer, then, that the catenations must have persisted despite the fact that Topoisomerase II is active in control metaphase cells.
If indeed catenations could not be removed efficiently from the centromeres of PIASγ-depleted cells, then these catenations must have persisted despite the fact that Topoisomerase II is active in mitotic cells.
However, the method by itself can only distinguish background and directional selection from neutrality, and selective forces must have persisted over longer periods of evolutionary time for the method to have high power.
The beetle populations within sites 10 (TRL) and 11 (TRT) must have persisted without a break.
In the latter case, the gene must have persisted in bacterial populations by conferring a selective advantage to the recipients.
However, before tapering DMARDs, GCs must have been tapered in line with statement No 6 and remission have persisted.
Budget woes have persisted.
Tensions have persisted nonetheless.
But troubles have persisted.
