Sentence examples for has proven problematic from inspiring English sources

There are also notable cases in recent years when truly successful recasting has proven problematic.

Putting the new variety into the hands of farmers, however, has proven problematic.

Development of uniform recommendations for management of anticoagulated patients undergoing elective hand surgery has proven problematic.

Because such mechanisms also contribute to graft-versus-host disease (GVHD), separation of GVT effects from GVHD has proven problematic.

The use of indicator plants to monitor O3 pollution has proven problematic when trying to correlate the severity of injury to ambient O3 concentration.

Experts say disease surveillance systems need improvement, along with diagnostic tools and treatments, but obtaining funding for these activities has proven problematic.

The lack of coordination has proved problematic.

But that formulation has proved problematic in an economic downturn.

At times, this has proved problematic for television networks.

Facial recognition software has proved problematic for Facebook.

In Katine recruitment of health workers has proved problematic.