Sentence examples for have generally proven problematic from inspiring English sources

Epidemiology studies assessing the ozone temperature cardiac relationship have generally proven problematic because high-ozone days normally occur during hot weather.

It has generally proved successful.

I've made lots of things that have proven problematic for people.

However complications with his Republic of Ireland contract have proven problematic.

Costs to maintain a steady flow of currency, pay salaries and raise capital have proven problematic.

But the subsequent fate of recovered weapons has historically proven problematic.

For the most part, this has not proven problematic.

Estimation of the background incidence has also proven problematic in other studies.

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.