The federal agencies, in turn, cited seemingly conclusive epidemiological studies.

No conclusive studies have been released to support the wilder claims listed above.

Until there are more conclusive studies, many consumer advocates recommend that both substances be avoided.

There was no conclusive scientific study in the late 19th century to determine the actual abundance of the worm.

There are no conclusive studies of the true extent of the problem.

There has been many conclusive studies, that present that human factor has great influence on the results of those occurrences.

I haven't seen any conclusive studies on this, though.

Currently, there have yet to be any precise and conclusive historical studies on the arrival of the first Muslims to the country.

The only possible conclusive study on the matter could be made through genetic studies.

I therefore believe that until there are conclusive studies, the nutritional claim should not be authorised.