Sentence examples similar to present considerable hurdles from inspiring English sources

Existing cell culture methods fail to expand the airway epithelial progenitor pool, presenting a considerable hurdle for progression to clinical trials.

Cutaneous diseases, specifically ones with significant genetic components are ideal candidates for topical siRNA based therapy but the anatomical structure of skin presents a considerable hurdle.

The structural similarities in active site architecture across human CA isozymes are substantial and for drug discovery that is dependent on selectively targeting specific CA isozymes this presents a considerable hurdle [ 3].

Mr. Romney also faces considerable hurdles as he begins presenting his views to a wider audience.

An external review (pdf) of NIF by the National Nuclear Security Administration presented a mixed bag of praise -- "NIF has demonstrated an 'unprecedented level of quality and accomplishment'" -- and circumspection -- "considerable hurdles must be overcome to reach ignition... [G]iven the unknowns with the present...approach, the probability of ignition before the end of December is extremely low".

Despite the initial optimism, the agreement faces considerable hurdles.

And it would face considerable hurdles, both practical and scientific.

There are considerable hurdles beyond paying for the project.

Either option faces considerable hurdles, starting with Thurston Heins, the chief executive.

Even so, Mr. Levy would face considerable hurdles in winning the Republican nomination.

"There are already considerable hurdles imposed by the courts before a judicial review can be brought.