11.   But another study raised suspicions about that, too.

12.   But a General Accounting Office study raises questions about the opening of the site.

13.   But each new study raises more questions.

14.   But he argued that despite that flaw, the study at least raised the suggestion of an association between intercessory prayer and health.

15.   But recent studies have raised red flags about the use of calcium channel blockers.

16.   But several studies have raised questions whether joint custody is as beneficial to the children as it may be to their parents.

17.   But the research is detecting measures of athletic fitness and, as a consequence, the studies raise ethical questions.

18.   Denenberg expects the study to raise interesting questions about surrogate motherhood in humans and even the prospect of artificial wombs.

19.   Even without the money-laundering allegations, a computer-aided study of contributions raises its own questions.

20.   Experts on both sides said the study raises a lot of questions.