Sentence examples similar to has presented a considerable difficulty from inspiring English sources

The compounds presented a considerable cytotoxicity.

While the wet surface had presented difficulties, it was still a shock to see Van der Sar incapable of adjusting.

Yet it presents a considerable one, she says.

Thyroid nodules present a considerable diagnostic challenge.

McLaughlin said he had not presented a counterproposal because the union has had difficulty accepting the Garden's plan.

However, there has been considerable difficulty in developing an efficacious malaria vaccine, highlighting our incomplete understanding of immunity against this disease.

Although they have caused me considerable difficulty in my life, these issues are not an excuse for my actions.

Accurate simulation of these interfaces presents a problem of considerable difficulty on several levels.

Our team has faced considerable difficulties, and we have accumulated lessons along the way.

"However, many of our members have faced considerable difficulty with tax regulation, particularly around anti-avoidance".

We are in a transition period, which has got considerable difficulties.