But still, by itself the work raised questions about whether aspirin really was protective.

The new work, using carefully controlled conditions has raised that lower limit to about 15 volume percent.

The task force's work has raised a furor in this region.

Her endless work has raised the awareness of the issue with many officials and elected leaders.

Indeed, somewhat similar work received a lot of attention several years ago and raised many false hopes, she said.

The effectiveness comes, in part, from the way the work raises questions about optical weight.

Our work raised early questions about electric and magnetic fields.

And the work, like all dredging, could raise environmental questions.

A work like this raises the most basic question: What, finally, constitutes a portrait?

These are questions the Starns' work raises but does not answer.