So they have, with results that are not yet conclusive.
Here the evidence, although not yet conclusive, has been mounting steadily over the past six years.
Early results from studies of the safety of synthetic tracks versus dirt ones are promising but not yet conclusive.
The results were not yet conclusive, and given the complicated formula for allotting seats, the relative strengths of the major coalitions could change.
There is not yet conclusive evidence that the economy has made that transition, but the fact that job growth ran ahead of schedule is an indication that it probably is.
Roy Wadia, a spokesman for the World Health Organization, said Sunday evening that China's Ministry of Health in Beijing believed that the tests on the 35-year-old man were not yet conclusive.
When asked if anything could keep him on the trainer's table for another game of the National Basketball Association finals, a jovial Bryant gave a lighthearted yet conclusive response.
Offering another suggestive, but not yet conclusive, piece of evidence that birds evolved from dinosaurs, researchers have found that the microscopic bone structure of birds resembles those of the dinosaurs thought to be their ancestors.
While Whitworth says the evidence for a link between the Zika virus and arthrogryposis is not yet conclusive, he believes that the results of the new study are "compelling".
The results of the election are not yet conclusive, and under a complicated formula to allot seats, the percentage of the vote will not necessarily reflect actual numbers in the 325-member Parliament. 325-member Parliament
A 2008 National Academy of Sciences report said there was not yet conclusive evidence that the markings produced by a gun are identical over time and under different conditions.
